[BACK]Return to errata56.html CVS log [TXT][DIR] Up to [local] / www

Annotation of www/errata56.html, Revision 1.50

1.1       jsg         1: <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
                      2: <html>
                      3: <head>
1.45      tj          4: <title>OpenBSD 5.6 Errata</title>
1.1       jsg         5: <meta name="description" content="the OpenBSD CD errata page">
                      6: <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
1.44      deraadt     7: <meta name="viewport" content="width=device-width, initial-scale=1">
                      8: <link rel="stylesheet" type="text/css" href="openbsd.css">
1.47      tb          9: <link rel="canonical" href="https://www.openbsd.org/errata56.html">
1.1       jsg        10: </head>
                     11:
                     12: <!--
                     13:                        IMPORTANT REMINDER
                     14:        IF YOU ADD A NEW ERRATUM, MAIL THE PATCH TO TECH AND ANNOUNCE
                     15: -->
                     16:
                     17: <body bgcolor="#ffffff" text="#000000" link="#23238E">
                     18:
1.44      deraadt    19: <h2>
                     20: <a href="index.html">
                     21: <font color="#0000ff"><i>Open</i></font><font color="#000084">BSD</font></a>
1.45      tj         22: <font color="#e00000">5.6 Errata</font>
                     23: </h2>
1.44      deraadt    24: <hr>
1.1       jsg        25:
                     26: For errata on a certain release, click below:<br>
                     27: <a href="errata21.html">2.1</a>,
                     28: <a href="errata22.html">2.2</a>,
                     29: <a href="errata23.html">2.3</a>,
                     30: <a href="errata24.html">2.4</a>,
                     31: <a href="errata25.html">2.5</a>,
                     32: <a href="errata26.html">2.6</a>,
                     33: <a href="errata27.html">2.7</a>,
                     34: <a href="errata28.html">2.8</a>,
                     35: <a href="errata29.html">2.9</a>,
                     36: <a href="errata30.html">3.0</a>,
                     37: <a href="errata31.html">3.1</a>,
                     38: <a href="errata32.html">3.2</a>,
                     39: <a href="errata33.html">3.3</a>,
                     40: <a href="errata34.html">3.4</a>,
                     41: <a href="errata35.html">3.5</a>,
                     42: <a href="errata36.html">3.6</a>,
                     43: <br>
                     44: <a href="errata37.html">3.7</a>,
                     45: <a href="errata38.html">3.8</a>,
                     46: <a href="errata39.html">3.9</a>,
                     47: <a href="errata40.html">4.0</a>,
                     48: <a href="errata41.html">4.1</a>,
                     49: <a href="errata42.html">4.2</a>,
                     50: <a href="errata43.html">4.3</a>,
                     51: <a href="errata44.html">4.4</a>,
                     52: <a href="errata45.html">4.5</a>,
                     53: <a href="errata46.html">4.6</a>,
                     54: <a href="errata47.html">4.7</a>,
                     55: <a href="errata48.html">4.8</a>,
                     56: <a href="errata49.html">4.9</a>,
                     57: <a href="errata50.html">5.0</a>,
                     58: <a href="errata51.html">5.1</a>,
                     59: <a href="errata52.html">5.2</a>,
                     60: <br>
                     61: <a href="errata53.html">5.3</a>,
                     62: <a href="errata54.html">5.4</a>,
1.21      deraadt    63: <a href="errata55.html">5.5</a>,
1.39      deraadt    64: <a href="errata57.html">5.7</a>,
1.43      deraadt    65: <a href="errata58.html">5.8</a>,
1.46      deraadt    66: <a href="errata59.html">5.9</a>,
1.49      tj         67: <a href="errata60.html">6.0</a>,
                     68: <a href="errata61.html">6.1</a>.
1.1       jsg        69: <hr>
                     70:
                     71: <p>
1.49      tj         72: Patches for the OpenBSD base system are distributed as unified diffs.
                     73: Each patch is cryptographically signed with the
                     74: <a href="http://man.openbsd.org/signify">signify(1)</a> tool and contains
                     75: usage instructions.
                     76: All the following patches are also available in one
                     77: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6.tar.gz">tar.gz file</a>
                     78: for convenience.
1.1       jsg        79:
                     80: <p>
1.49      tj         81: Patches for supported releases are also incorporated into the
1.50    ! tj         82: <a href="stable.html">-stable branch</a>.
1.1       jsg        83:
                     84: <hr>
                     85:
                     86: <ul>
                     87:
1.16      bentley    88: <li id="001_rxr">
1.1       jsg        89: <font color="#009000"><strong>001: RELIABILITY FIX: September 5, 2014</strong></font>
                     90: &nbsp; <i>All architectures</i><br>
                     91: Incorrect RX ring computation leads to panics under load with bge(4), em(4) and ix(4).
                     92: <br>
1.48      tb         93: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/001_rxr.patch.sig">
1.2       stsp       94: A source code patch exists which remedies this problem.</a>
                     95: <p>
                     96:
1.16      bentley    97: <li id="002_nd6">
1.2       stsp       98: <font color="#009000"><strong>002: RELIABILITY FIX: October 1, 2014</strong></font>
                     99: &nbsp; <i>All architectures</i><br>
                    100: If IPv6 autoconf is active on an interface and the autoconfprivacy extension is used,
                    101: redundant addresses are added whenever an autoconfprivacy address expires.
                    102: The autoconfprivacy extension is used by default and can be disabled with ifconfig(8)
                    103: as a workaround:
                    104: <pre>
                    105: # ifconfig em0 -autoconfprivacy
                    106: </pre>
1.48      tb        107: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/002_nd6.patch.sig">
1.2       stsp      108: A source code patch exists which remedies this problem.</a>
                    109: <p>
                    110:
1.16      bentley   111: <li id="003_nginx">
1.2       stsp      112: <font color="#009000"><strong>003: SECURITY FIX: October 1, 2014</strong></font>
                    113: &nbsp; <i>All architectures</i><br>
                    114: nginx can reuse cached SSL sessions in unrelated contexts, allowing virtual
                    115: host confusion attacks in some configurations.
                    116: This issue was assigned CVE-2014-3616.
                    117: <br>
1.48      tb        118: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/003_nginx.patch.sig">
1.1       jsg       119: A source code patch exists which remedies this problem.</a>
                    120: <p>
                    121:
1.16      bentley   122: <li id="004_kernexec">
1.4       tedu      123: <font color="#009000"><strong>004: RELIABILITY FIX: October 20, 2014</strong></font>
                    124: &nbsp; <i>All architectures</i><br>
                    125: Executable headers with an unaligned address will trigger a kernel panic.
                    126: <br>
1.48      tb        127: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/004_kernexec.patch.sig">
1.4       tedu      128: A source code patch exists which remedies this problem.</a>
                    129: <p>
                    130:
1.16      bentley   131: <li id="005_nosslv3">
1.5       tedu      132: <font color="#009000"><strong>005: SECURITY FIX: October 20, 2014</strong></font>
                    133: &nbsp; <i>All architectures</i><br>
                    134: This patch disables the SSLv3 protocol by default.
                    135: <p>
                    136: <i>
                    137: Applications depending on SSLv3 may need to be recompiled with
                    138: <pre>    SSL_CTX_clear_option(ctx, SSL_OP_NO_SSLv3);</pre>
                    139: but we recommend against the continued use of this obsolete protocol.
                    140: </i>
                    141: <p>
1.48      tb        142: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/005_nosslv3.patch.sig">
1.5       tedu      143: A source code patch exists which remedies this problem.</a>
                    144: <p>
                    145:
1.16      bentley   146: <li id="006_relayd">
1.6       florian   147: <font color="#009000"><strong>006: RELIABILITY FIX: November 17, 2014</strong></font>
                    148: &nbsp; <i>All architectures</i><br>
                    149: Certain http requests can crash relayd.
                    150: <br>
1.48      tb        151: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/006_relayd.patch.sig">
1.6       florian   152: A source code patch exists which remedies this problem.</a>
                    153: <p>
                    154:
1.16      bentley   155: <li id="007_pfctl">
1.8       tedu      156: <font color="#009000"><strong>007: RELIABILITY FIX: November 17, 2014</strong></font>
1.7       sthen     157: &nbsp; <i>All architectures</i><br>
1.8       tedu      158: A PF rule using an IPv4 address
                    159: followed by an IPv6 address and then a dynamic address, e.g. "pass
                    160: from {192.0.2.1 2001:db8::1} to (pppoe0)", will have an incorrect /32
                    161: mask applied to the dynamic address.
1.7       sthen     162: <br>
1.48      tb        163: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/007_pfctl.patch.sig">
1.8       tedu      164: A source code patch exists which remedies this problem.</a>
                    165: <p>
                    166:
1.16      bentley   167: <li id="008_asr">
1.8       tedu      168: <font color="#009000"><strong>008: RELIABILITY FIX: November 17, 2014</strong></font>
                    169: &nbsp; <i>All architectures</i><br>
                    170: Querying an invalid hostname with gethostbyname(3) could cause a NULL deref.
                    171: <br>
1.48      tb        172: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/008_asr.patch.sig">
1.7       sthen     173: A source code patch exists which remedies this problem.</a>
                    174: <p>
                    175:
1.16      bentley   176: <li id="009_httpd">
1.9       reyk      177: <font color="#009000"><strong>009: RELIABILITY FIX: November 18, 2014</strong></font>
                    178: &nbsp; <i>All architectures</i><br>
                    179: httpd was developed very rapidly in the weeks before 5.6 release, and
                    180: it has a few flaws.  It would be nice to get these flaws fully
                    181: remediated before the next release, and that requires the community to
                    182: want to use it.  Therefore here is a "jumbo" patch that brings in the
                    183: most important fixes.
                    184: <br>
1.48      tb        185: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/009_httpd.patch.sig">
1.9       reyk      186: A source code patch exists which remedies this problem.</a>
1.19      tedu      187: <br>
                    188: <i>Unfortunately the source tree found on the CD set contains a slightly different
                    189: checkout, from just before the release was finished and is missing a few httpd
                    190: commits. Therefore, the patch above will not apply correctly. Users are encouraged
                    191: to use cvs to get the latest httpd sources if interested.</i>
1.9       reyk      192: <p>
                    193:
1.16      bentley   194: <li id="010_pipex">
1.10      tedu      195: <font color="#009000"><strong>010: RELIABILITY FIX: December 5, 2014</strong></font>
                    196: &nbsp; <i>All architectures</i><br>
                    197: Several bugs were fixed that allowed a crash from remote when an active pipex
                    198: session exists.
                    199: <br>
1.48      tb        200: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/010_pipex.patch.sig">
1.10      tedu      201: A source code patch exists which remedies this problem.</a>
                    202: <p>
                    203:
1.16      bentley   204: <li id="011_pppoe">
1.11      tedu      205: <font color="#009000"><strong>011: RELIABILITY FIX: December 5, 2014</strong></font>
1.10      tedu      206: &nbsp; <i>All architectures</i><br>
                    207: An incorrect memcpy call would result in corrupted MAC addresses when
                    208: using PPPOE.
                    209: <br>
1.48      tb        210: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/011_pppoe.patch.sig">
1.10      tedu      211: A source code patch exists which remedies this problem.</a>
                    212: <p>
                    213:
1.16      bentley   214: <li id="012_unbound">
1.14      tedu      215: <font color="#009000"><strong>012: RELIABILITY FIX: December 9, 2014</strong></font>
1.12      tedu      216: &nbsp; <i>All architectures</i><br>
1.13      tedu      217: Fix a denial of service where a malicious authority could make the resolver chase an
                    218: endless series of delegations. (CVE-2014-8602)
1.12      tedu      219: <br>
1.48      tb        220: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/012_unbound.patch.sig">
1.12      tedu      221: A source code patch exists which remedies this problem.</a>
                    222: <p>
                    223:
1.16      bentley   224: <li id="013_virtio">
1.14      tedu      225: <font color="#009000"><strong>013: RELIABILITY FIX: December 9, 2014</strong></font>
1.12      tedu      226: &nbsp; <i>All architectures</i><br>
1.13      tedu      227: Missing memory barriers in virtio(4) can lead to hangs with virtio devices,
                    228: like vio(4) and vioblk(4).
1.12      tedu      229: <br>
1.48      tb        230: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/013_virtio.patch.sig">
1.12      tedu      231: A source code patch exists which remedies this problem.</a>
                    232: <p>
                    233:
1.16      bentley   234: <li id="014_xserver">
1.14      tedu      235: <font color="#009000"><strong>014: SECURITY FIX: December 9, 2014</strong></font>
1.12      tedu      236: &nbsp; <i>All architectures</i><br>
                    237: One year after Ilja van Sprundel discovered and reported a large number
                    238: of issues in the way the X server code base handles requests from X clients,
                    239: they have been fixed.
                    240: <br>
                    241: <a href="http://www.x.org/wiki/Development/Security/Advisory-2014-12-09/">X Advisory</a>
                    242: <br>
1.48      tb        243: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/014_xserver.patch.sig">
1.12      tedu      244: A source code patch exists which remedies this problem.</a>
                    245: <p>
                    246:
1.16      bentley   247: <li id="015_libevent">
1.15      bluhm     248: <font color="#009000"><strong>015: SECURITY FIX: January 13, 2015</strong></font>
                    249: &nbsp; <i>All architectures</i><br>
                    250: Fix CVE-2014-6272 in libevent 1.4 event buffer handling.  OpenBSD
                    251: base uses it for the programs: cu tmux ftp-proxy httpd ldapd relayd
                    252: tftp-proxy tftpd
                    253: <br>
                    254: <a href="http://www.wangafu.net/~nickm/volatile/advisory.txt.asc">Libevent Advisory</a>
                    255: <br>
1.48      tb        256: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/015_libevent.patch.sig">
1.15      bluhm     257: A source code patch exists which remedies this problem.</a>
                    258: <p>
1.10      tedu      259:
1.17      tedu      260: <li id="016_xserver">
                    261: <font color="#009000"><strong>016: SECURITY FIX: March 3, 2015</strong></font>
                    262: &nbsp; <i>All architectures</i><br>
                    263: Information leak in the XkbSetGeometry request of X servers.
                    264: <br>
                    265: For more information, see the
                    266: <a href="http://www.x.org/wiki/Development/Security/Advisory-2015-02-10/">X.org advisory</a>.
                    267: <br>
1.48      tb        268: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/016_xserver.patch.sig">
1.17      tedu      269: A source code patch exists which remedies this problem.</a>
                    270: <p>
                    271:
1.20      tedu      272: <li id="017_openssl">
                    273: <font color="#009000"><strong>017: SECURITY FIX: March 13, 2015</strong></font>
                    274: &nbsp; <i>All architectures</i><br>
                    275: Don't permit TLS client connections to be downgraded to weak keys.
                    276: <br>
1.48      tb        277: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/017_openssl.patch.sig">
1.20      tedu      278: A source code patch exists which remedies this problem.</a>
                    279: <p>
                    280:
                    281: <li id="018_freetype">
                    282: <font color="#009000"><strong>018: SECURITY FIX: March 13, 2015</strong></font>
                    283: &nbsp; <i>All architectures</i><br>
                    284: Another fix for buffer overflows in malformed fonts.
                    285: <br>
1.48      tb        286: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/018_freetype.patch.sig">
1.20      tedu      287: A source code patch exists which remedies this problem.</a>
                    288: <p>
                    289:
1.23      tedu      290: <li id="019_libxfont">
1.22      tedu      291: <font color="#009000"><strong>019: SECURITY FIX: March 18, 2015</strong></font>
                    292: &nbsp; <i>All architectures</i><br>
                    293: Buffer overflows in libXfont
                    294: <br>
                    295: For more information, see the
                    296: <a href="http://www.x.org/wiki/Development/Security/Advisory-2015-03-17/">X.org advisory</a>.
                    297: <br>
1.48      tb        298: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/019_libxfont.patch.sig">
1.23      tedu      299: A source code patch exists which remedies this problem.</a>
1.24      tedu      300: <br>Note that the instructions should read <code>cd /usr/xenocara/lib/libXfont</code>.
1.23      tedu      301: <p>
                    302:
                    303: <li id="020_openssl">
                    304: <font color="#009000"><strong>020: SECURITY FIX: March 19, 2015</strong></font>
                    305: &nbsp; <i>All architectures</i><br>
                    306: Fix several crash causing defects from OpenSSL.<br>
                    307: These include:<br>
                    308: CVE-2015-0209 - Use After Free following d2i_ECPrivatekey error<br>
                    309: CVE-2015-0286 - Segmentation fault in ASN1_TYPE_cmp<br>
                    310: CVE-2015-0287 - ASN.1 structure reuse memory corruption<br>
                    311: CVE-2015-0288 - X509_to_X509_REQ NULL pointer deref<br>
                    312: CVE-2015-0289 - PKCS7 NULL pointer dereferences<br>
                    313: <br>
                    314: Several other issues did not apply or were already fixed.<br>
                    315: For more information, see the
                    316: <a href="https://www.openssl.org/news/secadv_20150319.txt">OpenSSL advisory</a>.
                    317: <br>
1.48      tb        318: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/020_openssl.patch.sig">
1.22      tedu      319: A source code patch exists which remedies this problem.</a>
                    320: <p>
                    321:
1.25      gilles    322: <li id="021_smtpd">
                    323: <font color="#009000"><strong>021: RELIABILITY FIX: April 17, 2015</strong></font>
                    324: &nbsp; <i>All architectures</i><br>
                    325: Fix a logic error in smtpd handling of SNI.
                    326: This could allow a remote user to crash the server or provoke a disconnect of other sessions.
                    327: <br>
1.48      tb        328: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/021_smtpd.patch.sig">
1.28      deraadt   329: A source code patch exists which remedies this problem.</a>
1.25      gilles    330: <p>
                    331:
1.26      florian   332: <li id="022_httpd">
                    333: <font color="#009000"><strong>022: RELIABILITY FIX: April 30, 2015</strong></font>
                    334: &nbsp; <i>All architectures</i><br>
                    335: A remote user can crash httpd by forcing the daemon to log to a file
                    336: before the logging system was initialized.
                    337: <br>
1.48      tb        338: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/022_httpd.patch.sig">
1.28      deraadt   339: A source code patch exists which remedies this problem.</a>
1.26      florian   340: <p>
                    341:
1.27      guenther  342: <li id="023_elf">
1.29      deraadt   343: <font color="#009000"><strong>023: SECURITY FIX: April 30, 2015</strong></font>
1.27      guenther  344: &nbsp; <i>All architectures</i><br>
                    345: Malformed binaries could trigger kernel panics or view kernel memory.
                    346: <br>
1.48      tb        347: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/023_elf.patch.sig">
1.28      deraadt   348: A source code patch exists which remedies this problem.</a>
1.27      guenther  349: <p>
                    350:
                    351: <li id="024_tar">
1.29      deraadt   352: <font color="#009000"><strong>024: SECURITY FIX: April 30, 2015</strong></font>
1.27      guenther  353: &nbsp; <i>All architectures</i><br>
                    354: Multiple issues in tar/pax/cpio:
                    355: <ul>
                    356: <li>extracting a malicious archive could create files outside of
                    357: the current directory without using pre-existing symlinks to 'escape',
                    358: and could change the timestamps and modes on preexisting files
                    359: <li>tar without -P would permit extraction of paths with ".." components
                    360: <li>there was a buffer overflow in the handling of pax extension headers
                    361: </ul>
1.48      tb        362: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/024_tar.patch.sig">
1.31      deraadt   363: A source code patch exists which remedies this problem.</a>
                    364: <p>
                    365:
                    366: <li id="025_smtpd">
                    367: <font color="#009000"><strong>025: RELIABILITY FIX: June 11, 2015</strong></font>
                    368: &nbsp; <i>All architectures</i><br>
                    369: Fix multiple reliability issues in smtpd:
                    370: <ul>
                    371: <li>a local user can cause smtpd to fail by writing an invalid imsg to control socket.
                    372: <li>a local user can prevent smtpd from serving new requests by exhausting descriptors.
                    373: </ul>
1.48      tb        374: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/025_smtpd.patch.sig">
1.31      deraadt   375: A source code patch exists which remedies this problem.</a>
                    376: <p>
                    377:
                    378: <li id="026_openssl">
                    379: <font color="#009000"><strong>026: SECURITY FIX: June 11, 2015</strong></font>
                    380: &nbsp; <i>All architectures</i><br>
                    381: Fix several defects from OpenSSL:
                    382: <ul>
                    383: <li>CVE-2015-1788 - Malformed ECParameters causes infinite loop
                    384: <li>CVE-2015-1789 - Exploitable out-of-bounds read in X509_cmp_time
                    385: <li>CVE-2015-1792 - CMS verify infinite loop with unknown hash function
                    386: </ul>
1.32      doug      387: Note that CMS was already disabled in LibreSSL.
                    388: Several other issues did not apply or were already fixed and one is under review.<br>
                    389: For more information, see the
                    390: <a href="https://www.openssl.org/news/secadv_20150611.txt">OpenSSL advisory</a>.
                    391: <br>
1.48      tb        392: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/026_openssl.patch.sig">
1.28      deraadt   393: A source code patch exists which remedies this problem.</a>
1.27      guenther  394: <p>
                    395:
1.37      deraadt   396: <li id="027_tcp">
1.34      deraadt   397: <font color="#009000"><strong>027: SECURITY FIX: July 14, 2015</strong></font>
                    398: &nbsp; <i>All architectures</i><br>
                    399: A TCP socket can become confused and not properly cleanup resources.
                    400: <br>
1.48      tb        401: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/027_tcp_persist.patch.sig">
1.37      deraadt   402: A source code patch exists which remedies this problem.</a>
                    403: <p>
                    404:
                    405: <li id="028_execve">
                    406: <font color="#009000"><strong>028: RELIABILITY FIX: July 26, 2015</strong></font>
                    407: &nbsp; <i>All architectures</i><br>
                    408: A kernel memory leak could be triggered by an unprivileged user in
                    409: a failure case when using execve under systrace.
                    410: <br>
1.48      tb        411: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/028_execve.patch.sig">
1.37      deraadt   412: A source code patch exists which remedies this problem.</a>
                    413: <p>
                    414:
                    415: <li id="029_patch">
                    416: <font color="#009000"><strong>029: SECURITY FIX: July 26, 2015</strong></font>
                    417: &nbsp; <i>All architectures</i><br>
                    418: The patch utility could be made to invoke arbitrary commands via
                    419: the obsolete SCCS and RCS support when processing a crafted input file.
                    420: This patch deletes the SCCS and RCS support.
                    421: <br>
1.48      tb        422: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/029_patch.patch.sig">
1.34      deraadt   423: A source code patch exists which remedies this problem.</a>
                    424: <p>
                    425:
1.38      deraadt   426: <li id="030_patch">
                    427: <font color="#009000"><strong>030: SECURITY FIX: July 30, 2015</strong></font>
                    428: &nbsp; <i>All architectures</i><br>
                    429: The patch utility could become desyncronized processing ed(1)-style diffs.
                    430: <br>
1.48      tb        431: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/030_patch.patch.sig">
1.38      deraadt   432: A source code patch exists which remedies this problem.</a>
                    433: <p>
                    434:
1.40      deraadt   435: <li id="031_smtpd">
                    436: <font color="#009000"><strong>031: SECURITY FIX: October 1, 2015</strong></font>
                    437: &nbsp; <i>All architectures</i><br>
                    438: Fix multiple reliability and security issues in smtpd:<br>
                    439: <ul>
                    440: <li>local and remote users could make smtpd crash or stop serving requests.
                    441: <li>a buffer overflow in the unprivileged, non-chrooted smtpd (lookup)
                    442:     process could allow a local user to cause a crash or potentially
                    443:     execute arbitrary code.
                    444: <li>a use-after-free in the unprivileged, non-chrooted smtpd (lookup)
                    445:     process could allow a remote attacker to cause a crash or potentially
                    446:     execute arbitrary code.
                    447: <li>hardlink and symlink attacks allowed a local user to unset chflags or
                    448:     leak the first line of an arbitrary file.
                    449: </ul>
1.48      tb        450: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/031_smtpd.patch.sig">
1.40      deraadt   451: A source code patch exists which remedies this problem.</a>
                    452: <p>
                    453:
1.41      sthen     454: <li id="032_kevent">
                    455: <font color="#009000"><strong>032: RELIABILITY FIX: October 14, 2015</strong></font>
                    456: &nbsp; <i>All architectures</i><br>
                    457: A problem with timer kevents could result in a kernel hang (local denial
                    458: of service).<br>
1.48      tb        459: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/032_kevent.patch.sig">
1.41      sthen     460: A source code patch exists which remedies this problem.</a>
                    461: <p>
                    462:
1.42      tedu      463: <li id="033_obj2txt">
                    464: <font color="#009000"><strong>033: RELIABILITY FIX: October 15, 2015</strong></font>
                    465: &nbsp; <i>All architectures</i><br>
                    466: The OBJ_obj2txt function in libcrypto contains a one byte buffer overrun
                    467: and memory leak, as reported by Qualys Security.<br>
1.48      tb        468: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/033_obj2txt.patch.sig">
1.42      tedu      469: A source code patch exists which remedies this problem.</a>
                    470: <p>
                    471:
1.1       jsg       472: </ul>
                    473:
1.18      tedu      474: <hr>
                    475:
1.1       jsg       476: </body>
                    477: </html>