Annotation of www/errata56.html, Revision 1.57
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! 2: <html lang=en id=errata>
! 3: <meta charset=utf-8>
! 4:
1.45 tj 5: <title>OpenBSD 5.6 Errata</title>
1.1 jsg 6: <meta name="description" content="the OpenBSD CD errata page">
1.44 deraadt 7: <meta name="viewport" content="width=device-width, initial-scale=1">
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1.47 tb 9: <link rel="canonical" href="https://www.openbsd.org/errata56.html">
1.1 jsg 10:
11: <!--
12: IMPORTANT REMINDER
13: IF YOU ADD A NEW ERRATUM, MAIL THE PATCH TO TECH AND ANNOUNCE
14: -->
15:
16:
1.57 ! bentley 17: <h2 id=OpenBSD>
1.44 deraadt 18: <a href="index.html">
1.57 ! bentley 19: <i>Open</i><b>BSD</b></a>
! 20: 5.6 Errata
1.45 tj 21: </h2>
1.44 deraadt 22: <hr>
1.1 jsg 23:
24: For errata on a certain release, click below:<br>
25: <a href="errata21.html">2.1</a>,
26: <a href="errata22.html">2.2</a>,
27: <a href="errata23.html">2.3</a>,
28: <a href="errata24.html">2.4</a>,
29: <a href="errata25.html">2.5</a>,
30: <a href="errata26.html">2.6</a>,
31: <a href="errata27.html">2.7</a>,
32: <a href="errata28.html">2.8</a>,
33: <a href="errata29.html">2.9</a>,
34: <a href="errata30.html">3.0</a>,
35: <a href="errata31.html">3.1</a>,
36: <a href="errata32.html">3.2</a>,
37: <a href="errata33.html">3.3</a>,
38: <a href="errata34.html">3.4</a>,
39: <a href="errata35.html">3.5</a>,
40: <a href="errata36.html">3.6</a>,
41: <br>
42: <a href="errata37.html">3.7</a>,
43: <a href="errata38.html">3.8</a>,
44: <a href="errata39.html">3.9</a>,
45: <a href="errata40.html">4.0</a>,
46: <a href="errata41.html">4.1</a>,
47: <a href="errata42.html">4.2</a>,
48: <a href="errata43.html">4.3</a>,
49: <a href="errata44.html">4.4</a>,
50: <a href="errata45.html">4.5</a>,
51: <a href="errata46.html">4.6</a>,
52: <a href="errata47.html">4.7</a>,
53: <a href="errata48.html">4.8</a>,
54: <a href="errata49.html">4.9</a>,
55: <a href="errata50.html">5.0</a>,
56: <a href="errata51.html">5.1</a>,
57: <a href="errata52.html">5.2</a>,
58: <br>
59: <a href="errata53.html">5.3</a>,
60: <a href="errata54.html">5.4</a>,
1.21 deraadt 61: <a href="errata55.html">5.5</a>,
1.39 deraadt 62: <a href="errata57.html">5.7</a>,
1.43 deraadt 63: <a href="errata58.html">5.8</a>,
1.46 deraadt 64: <a href="errata59.html">5.9</a>,
1.49 tj 65: <a href="errata60.html">6.0</a>,
1.53 deraadt 66: <a href="errata61.html">6.1</a>,
1.54 deraadt 67: <a href="errata62.html">6.2</a>,
1.55 deraadt 68: <a href="errata63.html">6.3</a>,
1.56 deraadt 69: <a href="errata64.html">6.4</a>,
70: <a href="errata65.html">6.5</a>.
1.1 jsg 71: <hr>
72:
73: <p>
1.49 tj 74: Patches for the OpenBSD base system are distributed as unified diffs.
75: Each patch is cryptographically signed with the
1.52 tb 76: <a href="https://man.openbsd.org/OpenBSD-5.6/signify.1">signify(1)</a> tool and contains
1.49 tj 77: usage instructions.
78: All the following patches are also available in one
79: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6.tar.gz">tar.gz file</a>
80: for convenience.
1.1 jsg 81:
82: <p>
1.49 tj 83: Patches for supported releases are also incorporated into the
1.50 tj 84: <a href="stable.html">-stable branch</a>.
1.1 jsg 85:
86: <hr>
87:
88: <ul>
89:
1.51 tb 90: <li id="p001_rxr">
1.57 ! bentley 91: <strong>001: RELIABILITY FIX: September 5, 2014</strong>
1.1 jsg 92: <i>All architectures</i><br>
93: Incorrect RX ring computation leads to panics under load with bge(4), em(4) and ix(4).
94: <br>
1.48 tb 95: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/001_rxr.patch.sig">
1.2 stsp 96: A source code patch exists which remedies this problem.</a>
97: <p>
98:
1.51 tb 99: <li id="p002_nd6">
1.57 ! bentley 100: <strong>002: RELIABILITY FIX: October 1, 2014</strong>
1.2 stsp 101: <i>All architectures</i><br>
102: If IPv6 autoconf is active on an interface and the autoconfprivacy extension is used,
103: redundant addresses are added whenever an autoconfprivacy address expires.
104: The autoconfprivacy extension is used by default and can be disabled with ifconfig(8)
105: as a workaround:
106: <pre>
107: # ifconfig em0 -autoconfprivacy
108: </pre>
1.48 tb 109: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/002_nd6.patch.sig">
1.2 stsp 110: A source code patch exists which remedies this problem.</a>
111: <p>
112:
1.51 tb 113: <li id="p003_nginx">
1.57 ! bentley 114: <strong>003: SECURITY FIX: October 1, 2014</strong>
1.2 stsp 115: <i>All architectures</i><br>
116: nginx can reuse cached SSL sessions in unrelated contexts, allowing virtual
117: host confusion attacks in some configurations.
118: This issue was assigned CVE-2014-3616.
119: <br>
1.48 tb 120: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/003_nginx.patch.sig">
1.1 jsg 121: A source code patch exists which remedies this problem.</a>
122: <p>
123:
1.51 tb 124: <li id="p004_kernexec">
1.57 ! bentley 125: <strong>004: RELIABILITY FIX: October 20, 2014</strong>
1.4 tedu 126: <i>All architectures</i><br>
127: Executable headers with an unaligned address will trigger a kernel panic.
128: <br>
1.48 tb 129: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/004_kernexec.patch.sig">
1.4 tedu 130: A source code patch exists which remedies this problem.</a>
131: <p>
132:
1.51 tb 133: <li id="p005_nosslv3">
1.57 ! bentley 134: <strong>005: SECURITY FIX: October 20, 2014</strong>
1.5 tedu 135: <i>All architectures</i><br>
136: This patch disables the SSLv3 protocol by default.
137: <p>
138: <i>
139: Applications depending on SSLv3 may need to be recompiled with
1.51 tb 140: </i>
1.5 tedu 141: <pre> SSL_CTX_clear_option(ctx, SSL_OP_NO_SSLv3);</pre>
1.51 tb 142: <i>
1.5 tedu 143: but we recommend against the continued use of this obsolete protocol.
144: </i>
145: <p>
1.48 tb 146: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/005_nosslv3.patch.sig">
1.5 tedu 147: A source code patch exists which remedies this problem.</a>
148: <p>
149:
1.51 tb 150: <li id="p006_relayd">
1.57 ! bentley 151: <strong>006: RELIABILITY FIX: November 17, 2014</strong>
1.6 florian 152: <i>All architectures</i><br>
153: Certain http requests can crash relayd.
154: <br>
1.48 tb 155: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/006_relayd.patch.sig">
1.6 florian 156: A source code patch exists which remedies this problem.</a>
157: <p>
158:
1.51 tb 159: <li id="p007_pfctl">
1.57 ! bentley 160: <strong>007: RELIABILITY FIX: November 17, 2014</strong>
1.7 sthen 161: <i>All architectures</i><br>
1.8 tedu 162: A PF rule using an IPv4 address
163: followed by an IPv6 address and then a dynamic address, e.g. "pass
164: from {192.0.2.1 2001:db8::1} to (pppoe0)", will have an incorrect /32
165: mask applied to the dynamic address.
1.7 sthen 166: <br>
1.48 tb 167: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/007_pfctl.patch.sig">
1.8 tedu 168: A source code patch exists which remedies this problem.</a>
169: <p>
170:
1.51 tb 171: <li id="p008_asr">
1.57 ! bentley 172: <strong>008: RELIABILITY FIX: November 17, 2014</strong>
1.8 tedu 173: <i>All architectures</i><br>
174: Querying an invalid hostname with gethostbyname(3) could cause a NULL deref.
175: <br>
1.48 tb 176: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/008_asr.patch.sig">
1.7 sthen 177: A source code patch exists which remedies this problem.</a>
178: <p>
179:
1.51 tb 180: <li id="p009_httpd">
1.57 ! bentley 181: <strong>009: RELIABILITY FIX: November 18, 2014</strong>
1.9 reyk 182: <i>All architectures</i><br>
183: httpd was developed very rapidly in the weeks before 5.6 release, and
184: it has a few flaws. It would be nice to get these flaws fully
185: remediated before the next release, and that requires the community to
186: want to use it. Therefore here is a "jumbo" patch that brings in the
187: most important fixes.
188: <br>
1.48 tb 189: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/009_httpd.patch.sig">
1.9 reyk 190: A source code patch exists which remedies this problem.</a>
1.19 tedu 191: <br>
192: <i>Unfortunately the source tree found on the CD set contains a slightly different
193: checkout, from just before the release was finished and is missing a few httpd
194: commits. Therefore, the patch above will not apply correctly. Users are encouraged
195: to use cvs to get the latest httpd sources if interested.</i>
1.9 reyk 196: <p>
197:
1.51 tb 198: <li id="p010_pipex">
1.57 ! bentley 199: <strong>010: RELIABILITY FIX: December 5, 2014</strong>
1.10 tedu 200: <i>All architectures</i><br>
201: Several bugs were fixed that allowed a crash from remote when an active pipex
202: session exists.
203: <br>
1.48 tb 204: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/010_pipex.patch.sig">
1.10 tedu 205: A source code patch exists which remedies this problem.</a>
206: <p>
207:
1.51 tb 208: <li id="p011_pppoe">
1.57 ! bentley 209: <strong>011: RELIABILITY FIX: December 5, 2014</strong>
1.10 tedu 210: <i>All architectures</i><br>
211: An incorrect memcpy call would result in corrupted MAC addresses when
212: using PPPOE.
213: <br>
1.48 tb 214: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/011_pppoe.patch.sig">
1.10 tedu 215: A source code patch exists which remedies this problem.</a>
216: <p>
217:
1.51 tb 218: <li id="p012_unbound">
1.57 ! bentley 219: <strong>012: RELIABILITY FIX: December 9, 2014</strong>
1.12 tedu 220: <i>All architectures</i><br>
1.13 tedu 221: Fix a denial of service where a malicious authority could make the resolver chase an
222: endless series of delegations. (CVE-2014-8602)
1.12 tedu 223: <br>
1.48 tb 224: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/012_unbound.patch.sig">
1.12 tedu 225: A source code patch exists which remedies this problem.</a>
226: <p>
227:
1.51 tb 228: <li id="p013_virtio">
1.57 ! bentley 229: <strong>013: RELIABILITY FIX: December 9, 2014</strong>
1.12 tedu 230: <i>All architectures</i><br>
1.13 tedu 231: Missing memory barriers in virtio(4) can lead to hangs with virtio devices,
232: like vio(4) and vioblk(4).
1.12 tedu 233: <br>
1.48 tb 234: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/013_virtio.patch.sig">
1.12 tedu 235: A source code patch exists which remedies this problem.</a>
236: <p>
237:
1.51 tb 238: <li id="p014_xserver">
1.57 ! bentley 239: <strong>014: SECURITY FIX: December 9, 2014</strong>
1.12 tedu 240: <i>All architectures</i><br>
241: One year after Ilja van Sprundel discovered and reported a large number
242: of issues in the way the X server code base handles requests from X clients,
243: they have been fixed.
244: <br>
245: <a href="http://www.x.org/wiki/Development/Security/Advisory-2014-12-09/">X Advisory</a>
246: <br>
1.48 tb 247: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/014_xserver.patch.sig">
1.12 tedu 248: A source code patch exists which remedies this problem.</a>
249: <p>
250:
1.51 tb 251: <li id="p015_libevent">
1.57 ! bentley 252: <strong>015: SECURITY FIX: January 13, 2015</strong>
1.15 bluhm 253: <i>All architectures</i><br>
254: Fix CVE-2014-6272 in libevent 1.4 event buffer handling. OpenBSD
255: base uses it for the programs: cu tmux ftp-proxy httpd ldapd relayd
256: tftp-proxy tftpd
257: <br>
258: <a href="http://www.wangafu.net/~nickm/volatile/advisory.txt.asc">Libevent Advisory</a>
259: <br>
1.48 tb 260: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/015_libevent.patch.sig">
1.15 bluhm 261: A source code patch exists which remedies this problem.</a>
262: <p>
1.10 tedu 263:
1.51 tb 264: <li id="p016_xserver">
1.57 ! bentley 265: <strong>016: SECURITY FIX: March 3, 2015</strong>
1.17 tedu 266: <i>All architectures</i><br>
267: Information leak in the XkbSetGeometry request of X servers.
268: <br>
269: For more information, see the
270: <a href="http://www.x.org/wiki/Development/Security/Advisory-2015-02-10/">X.org advisory</a>.
271: <br>
1.48 tb 272: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/016_xserver.patch.sig">
1.17 tedu 273: A source code patch exists which remedies this problem.</a>
274: <p>
275:
1.51 tb 276: <li id="p017_openssl">
1.57 ! bentley 277: <strong>017: SECURITY FIX: March 13, 2015</strong>
1.20 tedu 278: <i>All architectures</i><br>
279: Don't permit TLS client connections to be downgraded to weak keys.
280: <br>
1.48 tb 281: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/017_openssl.patch.sig">
1.20 tedu 282: A source code patch exists which remedies this problem.</a>
283: <p>
284:
1.51 tb 285: <li id="p018_freetype">
1.57 ! bentley 286: <strong>018: SECURITY FIX: March 13, 2015</strong>
1.20 tedu 287: <i>All architectures</i><br>
288: Another fix for buffer overflows in malformed fonts.
289: <br>
1.48 tb 290: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/018_freetype.patch.sig">
1.20 tedu 291: A source code patch exists which remedies this problem.</a>
292: <p>
293:
1.51 tb 294: <li id="p019_libxfont">
1.57 ! bentley 295: <strong>019: SECURITY FIX: March 18, 2015</strong>
1.22 tedu 296: <i>All architectures</i><br>
297: Buffer overflows in libXfont
298: <br>
299: For more information, see the
300: <a href="http://www.x.org/wiki/Development/Security/Advisory-2015-03-17/">X.org advisory</a>.
301: <br>
1.48 tb 302: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/019_libxfont.patch.sig">
1.23 tedu 303: A source code patch exists which remedies this problem.</a>
1.24 tedu 304: <br>Note that the instructions should read <code>cd /usr/xenocara/lib/libXfont</code>.
1.23 tedu 305: <p>
306:
1.51 tb 307: <li id="p020_openssl">
1.57 ! bentley 308: <strong>020: SECURITY FIX: March 19, 2015</strong>
1.23 tedu 309: <i>All architectures</i><br>
310: Fix several crash causing defects from OpenSSL.<br>
311: These include:<br>
312: CVE-2015-0209 - Use After Free following d2i_ECPrivatekey error<br>
313: CVE-2015-0286 - Segmentation fault in ASN1_TYPE_cmp<br>
314: CVE-2015-0287 - ASN.1 structure reuse memory corruption<br>
315: CVE-2015-0288 - X509_to_X509_REQ NULL pointer deref<br>
316: CVE-2015-0289 - PKCS7 NULL pointer dereferences<br>
317: <br>
318: Several other issues did not apply or were already fixed.<br>
319: For more information, see the
320: <a href="https://www.openssl.org/news/secadv_20150319.txt">OpenSSL advisory</a>.
321: <br>
1.48 tb 322: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/020_openssl.patch.sig">
1.22 tedu 323: A source code patch exists which remedies this problem.</a>
324: <p>
325:
1.51 tb 326: <li id="p021_smtpd">
1.57 ! bentley 327: <strong>021: RELIABILITY FIX: April 17, 2015</strong>
1.25 gilles 328: <i>All architectures</i><br>
329: Fix a logic error in smtpd handling of SNI.
330: This could allow a remote user to crash the server or provoke a disconnect of other sessions.
331: <br>
1.48 tb 332: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/021_smtpd.patch.sig">
1.28 deraadt 333: A source code patch exists which remedies this problem.</a>
1.25 gilles 334: <p>
335:
1.51 tb 336: <li id="p022_httpd">
1.57 ! bentley 337: <strong>022: RELIABILITY FIX: April 30, 2015</strong>
1.26 florian 338: <i>All architectures</i><br>
339: A remote user can crash httpd by forcing the daemon to log to a file
340: before the logging system was initialized.
341: <br>
1.48 tb 342: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/022_httpd.patch.sig">
1.28 deraadt 343: A source code patch exists which remedies this problem.</a>
1.26 florian 344: <p>
345:
1.51 tb 346: <li id="p023_elf">
1.57 ! bentley 347: <strong>023: SECURITY FIX: April 30, 2015</strong>
1.27 guenther 348: <i>All architectures</i><br>
349: Malformed binaries could trigger kernel panics or view kernel memory.
350: <br>
1.48 tb 351: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/023_elf.patch.sig">
1.28 deraadt 352: A source code patch exists which remedies this problem.</a>
1.27 guenther 353: <p>
354:
1.51 tb 355: <li id="p024_tar">
1.57 ! bentley 356: <strong>024: SECURITY FIX: April 30, 2015</strong>
1.27 guenther 357: <i>All architectures</i><br>
358: Multiple issues in tar/pax/cpio:
359: <ul>
360: <li>extracting a malicious archive could create files outside of
361: the current directory without using pre-existing symlinks to 'escape',
362: and could change the timestamps and modes on preexisting files
363: <li>tar without -P would permit extraction of paths with ".." components
364: <li>there was a buffer overflow in the handling of pax extension headers
365: </ul>
1.48 tb 366: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/024_tar.patch.sig">
1.31 deraadt 367: A source code patch exists which remedies this problem.</a>
368: <p>
369:
1.51 tb 370: <li id="p025_smtpd">
1.57 ! bentley 371: <strong>025: RELIABILITY FIX: June 11, 2015</strong>
1.31 deraadt 372: <i>All architectures</i><br>
373: Fix multiple reliability issues in smtpd:
374: <ul>
375: <li>a local user can cause smtpd to fail by writing an invalid imsg to control socket.
376: <li>a local user can prevent smtpd from serving new requests by exhausting descriptors.
377: </ul>
1.48 tb 378: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/025_smtpd.patch.sig">
1.31 deraadt 379: A source code patch exists which remedies this problem.</a>
380: <p>
381:
1.51 tb 382: <li id="p026_openssl">
1.57 ! bentley 383: <strong>026: SECURITY FIX: June 11, 2015</strong>
1.31 deraadt 384: <i>All architectures</i><br>
385: Fix several defects from OpenSSL:
386: <ul>
387: <li>CVE-2015-1788 - Malformed ECParameters causes infinite loop
388: <li>CVE-2015-1789 - Exploitable out-of-bounds read in X509_cmp_time
389: <li>CVE-2015-1792 - CMS verify infinite loop with unknown hash function
390: </ul>
1.32 doug 391: Note that CMS was already disabled in LibreSSL.
392: Several other issues did not apply or were already fixed and one is under review.<br>
393: For more information, see the
394: <a href="https://www.openssl.org/news/secadv_20150611.txt">OpenSSL advisory</a>.
395: <br>
1.48 tb 396: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/026_openssl.patch.sig">
1.28 deraadt 397: A source code patch exists which remedies this problem.</a>
1.27 guenther 398: <p>
399:
1.51 tb 400: <li id="p027_tcp">
1.57 ! bentley 401: <strong>027: SECURITY FIX: July 14, 2015</strong>
1.34 deraadt 402: <i>All architectures</i><br>
403: A TCP socket can become confused and not properly cleanup resources.
404: <br>
1.48 tb 405: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/027_tcp_persist.patch.sig">
1.37 deraadt 406: A source code patch exists which remedies this problem.</a>
407: <p>
408:
1.51 tb 409: <li id="p028_execve">
1.57 ! bentley 410: <strong>028: RELIABILITY FIX: July 26, 2015</strong>
1.37 deraadt 411: <i>All architectures</i><br>
412: A kernel memory leak could be triggered by an unprivileged user in
413: a failure case when using execve under systrace.
414: <br>
1.48 tb 415: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/028_execve.patch.sig">
1.37 deraadt 416: A source code patch exists which remedies this problem.</a>
417: <p>
418:
1.51 tb 419: <li id="p029_patch">
1.57 ! bentley 420: <strong>029: SECURITY FIX: July 26, 2015</strong>
1.37 deraadt 421: <i>All architectures</i><br>
422: The patch utility could be made to invoke arbitrary commands via
423: the obsolete SCCS and RCS support when processing a crafted input file.
424: This patch deletes the SCCS and RCS support.
425: <br>
1.48 tb 426: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/029_patch.patch.sig">
1.34 deraadt 427: A source code patch exists which remedies this problem.</a>
428: <p>
429:
1.51 tb 430: <li id="p030_patch">
1.57 ! bentley 431: <strong>030: SECURITY FIX: July 30, 2015</strong>
1.38 deraadt 432: <i>All architectures</i><br>
433: The patch utility could become desyncronized processing ed(1)-style diffs.
434: <br>
1.48 tb 435: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/030_patch.patch.sig">
1.38 deraadt 436: A source code patch exists which remedies this problem.</a>
437: <p>
438:
1.51 tb 439: <li id="p031_smtpd">
1.57 ! bentley 440: <strong>031: SECURITY FIX: October 1, 2015</strong>
1.40 deraadt 441: <i>All architectures</i><br>
442: Fix multiple reliability and security issues in smtpd:<br>
443: <ul>
444: <li>local and remote users could make smtpd crash or stop serving requests.
445: <li>a buffer overflow in the unprivileged, non-chrooted smtpd (lookup)
446: process could allow a local user to cause a crash or potentially
447: execute arbitrary code.
448: <li>a use-after-free in the unprivileged, non-chrooted smtpd (lookup)
449: process could allow a remote attacker to cause a crash or potentially
450: execute arbitrary code.
451: <li>hardlink and symlink attacks allowed a local user to unset chflags or
452: leak the first line of an arbitrary file.
453: </ul>
1.48 tb 454: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/031_smtpd.patch.sig">
1.40 deraadt 455: A source code patch exists which remedies this problem.</a>
456: <p>
457:
1.51 tb 458: <li id="p032_kevent">
1.57 ! bentley 459: <strong>032: RELIABILITY FIX: October 14, 2015</strong>
1.41 sthen 460: <i>All architectures</i><br>
461: A problem with timer kevents could result in a kernel hang (local denial
462: of service).<br>
1.48 tb 463: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/032_kevent.patch.sig">
1.41 sthen 464: A source code patch exists which remedies this problem.</a>
465: <p>
466:
1.51 tb 467: <li id="p033_obj2txt">
1.57 ! bentley 468: <strong>033: RELIABILITY FIX: October 15, 2015</strong>
1.42 tedu 469: <i>All architectures</i><br>
470: The OBJ_obj2txt function in libcrypto contains a one byte buffer overrun
471: and memory leak, as reported by Qualys Security.<br>
1.48 tb 472: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/033_obj2txt.patch.sig">
1.42 tedu 473: A source code patch exists which remedies this problem.</a>
474: <p>
475:
1.1 jsg 476: </ul>
477:
1.18 tedu 478: <hr>
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