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1.45      tj          4: <title>OpenBSD 5.6 Errata</title>
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                     11:
                     12: <!--
                     13:                        IMPORTANT REMINDER
                     14:        IF YOU ADD A NEW ERRATUM, MAIL THE PATCH TO TECH AND ANNOUNCE
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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
1.51    ! tb         74: <a href="http://man.openbsd.org/OpenBSD-5.6/signify.1">signify(1)</a> tool and contains
1.49      tj         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:
1.51    ! tb         88: <li id="p001_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:
1.51    ! tb         97: <li id="p002_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:
1.51    ! tb        111: <li id="p003_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:
1.51    ! tb        122: <li id="p004_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:
1.51    ! tb        131: <li id="p005_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
1.51    ! tb        138: </i>
1.5       tedu      139: <pre>    SSL_CTX_clear_option(ctx, SSL_OP_NO_SSLv3);</pre>
1.51    ! tb        140: <i>
1.5       tedu      141: but we recommend against the continued use of this obsolete protocol.
                    142: </i>
                    143: <p>
1.48      tb        144: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/005_nosslv3.patch.sig">
1.5       tedu      145: A source code patch exists which remedies this problem.</a>
                    146: <p>
                    147:
1.51    ! tb        148: <li id="p006_relayd">
1.6       florian   149: <font color="#009000"><strong>006: RELIABILITY FIX: November 17, 2014</strong></font>
                    150: &nbsp; <i>All architectures</i><br>
                    151: Certain http requests can crash relayd.
                    152: <br>
1.48      tb        153: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/006_relayd.patch.sig">
1.6       florian   154: A source code patch exists which remedies this problem.</a>
                    155: <p>
                    156:
1.51    ! tb        157: <li id="p007_pfctl">
1.8       tedu      158: <font color="#009000"><strong>007: RELIABILITY FIX: November 17, 2014</strong></font>
1.7       sthen     159: &nbsp; <i>All architectures</i><br>
1.8       tedu      160: A PF rule using an IPv4 address
                    161: followed by an IPv6 address and then a dynamic address, e.g. "pass
                    162: from {192.0.2.1 2001:db8::1} to (pppoe0)", will have an incorrect /32
                    163: mask applied to the dynamic address.
1.7       sthen     164: <br>
1.48      tb        165: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/007_pfctl.patch.sig">
1.8       tedu      166: A source code patch exists which remedies this problem.</a>
                    167: <p>
                    168:
1.51    ! tb        169: <li id="p008_asr">
1.8       tedu      170: <font color="#009000"><strong>008: RELIABILITY FIX: November 17, 2014</strong></font>
                    171: &nbsp; <i>All architectures</i><br>
                    172: Querying an invalid hostname with gethostbyname(3) could cause a NULL deref.
                    173: <br>
1.48      tb        174: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/008_asr.patch.sig">
1.7       sthen     175: A source code patch exists which remedies this problem.</a>
                    176: <p>
                    177:
1.51    ! tb        178: <li id="p009_httpd">
1.9       reyk      179: <font color="#009000"><strong>009: RELIABILITY FIX: November 18, 2014</strong></font>
                    180: &nbsp; <i>All architectures</i><br>
                    181: httpd was developed very rapidly in the weeks before 5.6 release, and
                    182: it has a few flaws.  It would be nice to get these flaws fully
                    183: remediated before the next release, and that requires the community to
                    184: want to use it.  Therefore here is a "jumbo" patch that brings in the
                    185: most important fixes.
                    186: <br>
1.48      tb        187: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/009_httpd.patch.sig">
1.9       reyk      188: A source code patch exists which remedies this problem.</a>
1.19      tedu      189: <br>
                    190: <i>Unfortunately the source tree found on the CD set contains a slightly different
                    191: checkout, from just before the release was finished and is missing a few httpd
                    192: commits. Therefore, the patch above will not apply correctly. Users are encouraged
                    193: to use cvs to get the latest httpd sources if interested.</i>
1.9       reyk      194: <p>
                    195:
1.51    ! tb        196: <li id="p010_pipex">
1.10      tedu      197: <font color="#009000"><strong>010: RELIABILITY FIX: December 5, 2014</strong></font>
                    198: &nbsp; <i>All architectures</i><br>
                    199: Several bugs were fixed that allowed a crash from remote when an active pipex
                    200: session exists.
                    201: <br>
1.48      tb        202: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/010_pipex.patch.sig">
1.10      tedu      203: A source code patch exists which remedies this problem.</a>
                    204: <p>
                    205:
1.51    ! tb        206: <li id="p011_pppoe">
1.11      tedu      207: <font color="#009000"><strong>011: RELIABILITY FIX: December 5, 2014</strong></font>
1.10      tedu      208: &nbsp; <i>All architectures</i><br>
                    209: An incorrect memcpy call would result in corrupted MAC addresses when
                    210: using PPPOE.
                    211: <br>
1.48      tb        212: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/011_pppoe.patch.sig">
1.10      tedu      213: A source code patch exists which remedies this problem.</a>
                    214: <p>
                    215:
1.51    ! tb        216: <li id="p012_unbound">
1.14      tedu      217: <font color="#009000"><strong>012: RELIABILITY FIX: December 9, 2014</strong></font>
1.12      tedu      218: &nbsp; <i>All architectures</i><br>
1.13      tedu      219: Fix a denial of service where a malicious authority could make the resolver chase an
                    220: endless series of delegations. (CVE-2014-8602)
1.12      tedu      221: <br>
1.48      tb        222: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/012_unbound.patch.sig">
1.12      tedu      223: A source code patch exists which remedies this problem.</a>
                    224: <p>
                    225:
1.51    ! tb        226: <li id="p013_virtio">
1.14      tedu      227: <font color="#009000"><strong>013: RELIABILITY FIX: December 9, 2014</strong></font>
1.12      tedu      228: &nbsp; <i>All architectures</i><br>
1.13      tedu      229: Missing memory barriers in virtio(4) can lead to hangs with virtio devices,
                    230: like vio(4) and vioblk(4).
1.12      tedu      231: <br>
1.48      tb        232: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/013_virtio.patch.sig">
1.12      tedu      233: A source code patch exists which remedies this problem.</a>
                    234: <p>
                    235:
1.51    ! tb        236: <li id="p014_xserver">
1.14      tedu      237: <font color="#009000"><strong>014: SECURITY FIX: December 9, 2014</strong></font>
1.12      tedu      238: &nbsp; <i>All architectures</i><br>
                    239: One year after Ilja van Sprundel discovered and reported a large number
                    240: of issues in the way the X server code base handles requests from X clients,
                    241: they have been fixed.
                    242: <br>
                    243: <a href="http://www.x.org/wiki/Development/Security/Advisory-2014-12-09/">X Advisory</a>
                    244: <br>
1.48      tb        245: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/014_xserver.patch.sig">
1.12      tedu      246: A source code patch exists which remedies this problem.</a>
                    247: <p>
                    248:
1.51    ! tb        249: <li id="p015_libevent">
1.15      bluhm     250: <font color="#009000"><strong>015: SECURITY FIX: January 13, 2015</strong></font>
                    251: &nbsp; <i>All architectures</i><br>
                    252: Fix CVE-2014-6272 in libevent 1.4 event buffer handling.  OpenBSD
                    253: base uses it for the programs: cu tmux ftp-proxy httpd ldapd relayd
                    254: tftp-proxy tftpd
                    255: <br>
                    256: <a href="http://www.wangafu.net/~nickm/volatile/advisory.txt.asc">Libevent Advisory</a>
                    257: <br>
1.48      tb        258: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/015_libevent.patch.sig">
1.15      bluhm     259: A source code patch exists which remedies this problem.</a>
                    260: <p>
1.10      tedu      261:
1.51    ! tb        262: <li id="p016_xserver">
1.17      tedu      263: <font color="#009000"><strong>016: SECURITY FIX: March 3, 2015</strong></font>
                    264: &nbsp; <i>All architectures</i><br>
                    265: Information leak in the XkbSetGeometry request of X servers.
                    266: <br>
                    267: For more information, see the
                    268: <a href="http://www.x.org/wiki/Development/Security/Advisory-2015-02-10/">X.org advisory</a>.
                    269: <br>
1.48      tb        270: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/016_xserver.patch.sig">
1.17      tedu      271: A source code patch exists which remedies this problem.</a>
                    272: <p>
                    273:
1.51    ! tb        274: <li id="p017_openssl">
1.20      tedu      275: <font color="#009000"><strong>017: SECURITY FIX: March 13, 2015</strong></font>
                    276: &nbsp; <i>All architectures</i><br>
                    277: Don't permit TLS client connections to be downgraded to weak keys.
                    278: <br>
1.48      tb        279: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/017_openssl.patch.sig">
1.20      tedu      280: A source code patch exists which remedies this problem.</a>
                    281: <p>
                    282:
1.51    ! tb        283: <li id="p018_freetype">
1.20      tedu      284: <font color="#009000"><strong>018: SECURITY FIX: March 13, 2015</strong></font>
                    285: &nbsp; <i>All architectures</i><br>
                    286: Another fix for buffer overflows in malformed fonts.
                    287: <br>
1.48      tb        288: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/018_freetype.patch.sig">
1.20      tedu      289: A source code patch exists which remedies this problem.</a>
                    290: <p>
                    291:
1.51    ! tb        292: <li id="p019_libxfont">
1.22      tedu      293: <font color="#009000"><strong>019: SECURITY FIX: March 18, 2015</strong></font>
                    294: &nbsp; <i>All architectures</i><br>
                    295: Buffer overflows in libXfont
                    296: <br>
                    297: For more information, see the
                    298: <a href="http://www.x.org/wiki/Development/Security/Advisory-2015-03-17/">X.org advisory</a>.
                    299: <br>
1.48      tb        300: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/019_libxfont.patch.sig">
1.23      tedu      301: A source code patch exists which remedies this problem.</a>
1.24      tedu      302: <br>Note that the instructions should read <code>cd /usr/xenocara/lib/libXfont</code>.
1.23      tedu      303: <p>
                    304:
1.51    ! tb        305: <li id="p020_openssl">
1.23      tedu      306: <font color="#009000"><strong>020: SECURITY FIX: March 19, 2015</strong></font>
                    307: &nbsp; <i>All architectures</i><br>
                    308: Fix several crash causing defects from OpenSSL.<br>
                    309: These include:<br>
                    310: CVE-2015-0209 - Use After Free following d2i_ECPrivatekey error<br>
                    311: CVE-2015-0286 - Segmentation fault in ASN1_TYPE_cmp<br>
                    312: CVE-2015-0287 - ASN.1 structure reuse memory corruption<br>
                    313: CVE-2015-0288 - X509_to_X509_REQ NULL pointer deref<br>
                    314: CVE-2015-0289 - PKCS7 NULL pointer dereferences<br>
                    315: <br>
                    316: Several other issues did not apply or were already fixed.<br>
                    317: For more information, see the
                    318: <a href="https://www.openssl.org/news/secadv_20150319.txt">OpenSSL advisory</a>.
                    319: <br>
1.48      tb        320: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/020_openssl.patch.sig">
1.22      tedu      321: A source code patch exists which remedies this problem.</a>
                    322: <p>
                    323:
1.51    ! tb        324: <li id="p021_smtpd">
1.25      gilles    325: <font color="#009000"><strong>021: RELIABILITY FIX: April 17, 2015</strong></font>
                    326: &nbsp; <i>All architectures</i><br>
                    327: Fix a logic error in smtpd handling of SNI.
                    328: This could allow a remote user to crash the server or provoke a disconnect of other sessions.
                    329: <br>
1.48      tb        330: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/021_smtpd.patch.sig">
1.28      deraadt   331: A source code patch exists which remedies this problem.</a>
1.25      gilles    332: <p>
                    333:
1.51    ! tb        334: <li id="p022_httpd">
1.26      florian   335: <font color="#009000"><strong>022: RELIABILITY FIX: April 30, 2015</strong></font>
                    336: &nbsp; <i>All architectures</i><br>
                    337: A remote user can crash httpd by forcing the daemon to log to a file
                    338: before the logging system was initialized.
                    339: <br>
1.48      tb        340: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/022_httpd.patch.sig">
1.28      deraadt   341: A source code patch exists which remedies this problem.</a>
1.26      florian   342: <p>
                    343:
1.51    ! tb        344: <li id="p023_elf">
1.29      deraadt   345: <font color="#009000"><strong>023: SECURITY FIX: April 30, 2015</strong></font>
1.27      guenther  346: &nbsp; <i>All architectures</i><br>
                    347: Malformed binaries could trigger kernel panics or view kernel memory.
                    348: <br>
1.48      tb        349: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/023_elf.patch.sig">
1.28      deraadt   350: A source code patch exists which remedies this problem.</a>
1.27      guenther  351: <p>
                    352:
1.51    ! tb        353: <li id="p024_tar">
1.29      deraadt   354: <font color="#009000"><strong>024: SECURITY FIX: April 30, 2015</strong></font>
1.27      guenther  355: &nbsp; <i>All architectures</i><br>
                    356: Multiple issues in tar/pax/cpio:
                    357: <ul>
                    358: <li>extracting a malicious archive could create files outside of
                    359: the current directory without using pre-existing symlinks to 'escape',
                    360: and could change the timestamps and modes on preexisting files
                    361: <li>tar without -P would permit extraction of paths with ".." components
                    362: <li>there was a buffer overflow in the handling of pax extension headers
                    363: </ul>
1.48      tb        364: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/024_tar.patch.sig">
1.31      deraadt   365: A source code patch exists which remedies this problem.</a>
                    366: <p>
                    367:
1.51    ! tb        368: <li id="p025_smtpd">
1.31      deraadt   369: <font color="#009000"><strong>025: RELIABILITY FIX: June 11, 2015</strong></font>
                    370: &nbsp; <i>All architectures</i><br>
                    371: Fix multiple reliability issues in smtpd:
                    372: <ul>
                    373: <li>a local user can cause smtpd to fail by writing an invalid imsg to control socket.
                    374: <li>a local user can prevent smtpd from serving new requests by exhausting descriptors.
                    375: </ul>
1.48      tb        376: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/025_smtpd.patch.sig">
1.31      deraadt   377: A source code patch exists which remedies this problem.</a>
                    378: <p>
                    379:
1.51    ! tb        380: <li id="p026_openssl">
1.31      deraadt   381: <font color="#009000"><strong>026: SECURITY FIX: June 11, 2015</strong></font>
                    382: &nbsp; <i>All architectures</i><br>
                    383: Fix several defects from OpenSSL:
                    384: <ul>
                    385: <li>CVE-2015-1788 - Malformed ECParameters causes infinite loop
                    386: <li>CVE-2015-1789 - Exploitable out-of-bounds read in X509_cmp_time
                    387: <li>CVE-2015-1792 - CMS verify infinite loop with unknown hash function
                    388: </ul>
1.32      doug      389: Note that CMS was already disabled in LibreSSL.
                    390: Several other issues did not apply or were already fixed and one is under review.<br>
                    391: For more information, see the
                    392: <a href="https://www.openssl.org/news/secadv_20150611.txt">OpenSSL advisory</a>.
                    393: <br>
1.48      tb        394: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/026_openssl.patch.sig">
1.28      deraadt   395: A source code patch exists which remedies this problem.</a>
1.27      guenther  396: <p>
                    397:
1.51    ! tb        398: <li id="p027_tcp">
1.34      deraadt   399: <font color="#009000"><strong>027: SECURITY FIX: July 14, 2015</strong></font>
                    400: &nbsp; <i>All architectures</i><br>
                    401: A TCP socket can become confused and not properly cleanup resources.
                    402: <br>
1.48      tb        403: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/027_tcp_persist.patch.sig">
1.37      deraadt   404: A source code patch exists which remedies this problem.</a>
                    405: <p>
                    406:
1.51    ! tb        407: <li id="p028_execve">
1.37      deraadt   408: <font color="#009000"><strong>028: RELIABILITY FIX: July 26, 2015</strong></font>
                    409: &nbsp; <i>All architectures</i><br>
                    410: A kernel memory leak could be triggered by an unprivileged user in
                    411: a failure case when using execve under systrace.
                    412: <br>
1.48      tb        413: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/028_execve.patch.sig">
1.37      deraadt   414: A source code patch exists which remedies this problem.</a>
                    415: <p>
                    416:
1.51    ! tb        417: <li id="p029_patch">
1.37      deraadt   418: <font color="#009000"><strong>029: SECURITY FIX: July 26, 2015</strong></font>
                    419: &nbsp; <i>All architectures</i><br>
                    420: The patch utility could be made to invoke arbitrary commands via
                    421: the obsolete SCCS and RCS support when processing a crafted input file.
                    422: This patch deletes the SCCS and RCS support.
                    423: <br>
1.48      tb        424: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/029_patch.patch.sig">
1.34      deraadt   425: A source code patch exists which remedies this problem.</a>
                    426: <p>
                    427:
1.51    ! tb        428: <li id="p030_patch">
1.38      deraadt   429: <font color="#009000"><strong>030: SECURITY FIX: July 30, 2015</strong></font>
                    430: &nbsp; <i>All architectures</i><br>
                    431: The patch utility could become desyncronized processing ed(1)-style diffs.
                    432: <br>
1.48      tb        433: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/030_patch.patch.sig">
1.38      deraadt   434: A source code patch exists which remedies this problem.</a>
                    435: <p>
                    436:
1.51    ! tb        437: <li id="p031_smtpd">
1.40      deraadt   438: <font color="#009000"><strong>031: SECURITY FIX: October 1, 2015</strong></font>
                    439: &nbsp; <i>All architectures</i><br>
                    440: Fix multiple reliability and security issues in smtpd:<br>
                    441: <ul>
                    442: <li>local and remote users could make smtpd crash or stop serving requests.
                    443: <li>a buffer overflow in the unprivileged, non-chrooted smtpd (lookup)
                    444:     process could allow a local user to cause a crash or potentially
                    445:     execute arbitrary code.
                    446: <li>a use-after-free in the unprivileged, non-chrooted smtpd (lookup)
                    447:     process could allow a remote attacker to cause a crash or potentially
                    448:     execute arbitrary code.
                    449: <li>hardlink and symlink attacks allowed a local user to unset chflags or
                    450:     leak the first line of an arbitrary file.
                    451: </ul>
1.48      tb        452: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/031_smtpd.patch.sig">
1.40      deraadt   453: A source code patch exists which remedies this problem.</a>
                    454: <p>
                    455:
1.51    ! tb        456: <li id="p032_kevent">
1.41      sthen     457: <font color="#009000"><strong>032: RELIABILITY FIX: October 14, 2015</strong></font>
                    458: &nbsp; <i>All architectures</i><br>
                    459: A problem with timer kevents could result in a kernel hang (local denial
                    460: of service).<br>
1.48      tb        461: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/032_kevent.patch.sig">
1.41      sthen     462: A source code patch exists which remedies this problem.</a>
                    463: <p>
                    464:
1.51    ! tb        465: <li id="p033_obj2txt">
1.42      tedu      466: <font color="#009000"><strong>033: RELIABILITY FIX: October 15, 2015</strong></font>
                    467: &nbsp; <i>All architectures</i><br>
                    468: The OBJ_obj2txt function in libcrypto contains a one byte buffer overrun
                    469: and memory leak, as reported by Qualys Security.<br>
1.48      tb        470: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/033_obj2txt.patch.sig">
1.42      tedu      471: A source code patch exists which remedies this problem.</a>
                    472: <p>
                    473:
1.1       jsg       474: </ul>
                    475:
1.18      tedu      476: <hr>
                    477:
1.1       jsg       478: </body>
                    479: </html>