Annotation of www/errata56.html, Revision 1.60
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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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1.1 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>
1.59 schwarze 25: <a href="errata20.html">2.0</a>,
1.1 jsg 26: <a href="errata21.html">2.1</a>,
27: <a href="errata22.html">2.2</a>,
28: <a href="errata23.html">2.3</a>,
29: <a href="errata24.html">2.4</a>,
30: <a href="errata25.html">2.5</a>,
31: <a href="errata26.html">2.6</a>,
32: <a href="errata27.html">2.7</a>,
33: <a href="errata28.html">2.8</a>,
34: <a href="errata29.html">2.9</a>,
35: <a href="errata30.html">3.0</a>,
36: <a href="errata31.html">3.1</a>,
37: <a href="errata32.html">3.2</a>,
38: <a href="errata33.html">3.3</a>,
39: <a href="errata34.html">3.4</a>,
40: <a href="errata35.html">3.5</a>,
1.59 schwarze 41: <br>
1.1 jsg 42: <a href="errata36.html">3.6</a>,
43: <a href="errata37.html">3.7</a>,
44: <a href="errata38.html">3.8</a>,
45: <a href="errata39.html">3.9</a>,
46: <a href="errata40.html">4.0</a>,
47: <a href="errata41.html">4.1</a>,
48: <a href="errata42.html">4.2</a>,
49: <a href="errata43.html">4.3</a>,
50: <a href="errata44.html">4.4</a>,
51: <a href="errata45.html">4.5</a>,
52: <a href="errata46.html">4.6</a>,
53: <a href="errata47.html">4.7</a>,
54: <a href="errata48.html">4.8</a>,
55: <a href="errata49.html">4.9</a>,
56: <a href="errata50.html">5.0</a>,
57: <a href="errata51.html">5.1</a>,
1.59 schwarze 58: <br>
1.1 jsg 59: <a href="errata52.html">5.2</a>,
60: <a href="errata53.html">5.3</a>,
61: <a href="errata54.html">5.4</a>,
1.21 deraadt 62: <a href="errata55.html">5.5</a>,
1.39 deraadt 63: <a href="errata57.html">5.7</a>,
1.43 deraadt 64: <a href="errata58.html">5.8</a>,
1.46 deraadt 65: <a href="errata59.html">5.9</a>,
1.49 tj 66: <a href="errata60.html">6.0</a>,
1.53 deraadt 67: <a href="errata61.html">6.1</a>,
1.54 deraadt 68: <a href="errata62.html">6.2</a>,
1.55 deraadt 69: <a href="errata63.html">6.3</a>,
1.56 deraadt 70: <a href="errata64.html">6.4</a>,
1.58 deraadt 71: <a href="errata65.html">6.5</a>,
1.60 ! deraadt 72: <a href="errata66.html">6.6</a>,
! 73: <a href="errata67.html">6.7</a>.
1.1 jsg 74: <hr>
75:
76: <p>
1.49 tj 77: Patches for the OpenBSD base system are distributed as unified diffs.
78: Each patch is cryptographically signed with the
1.52 tb 79: <a href="https://man.openbsd.org/OpenBSD-5.6/signify.1">signify(1)</a> tool and contains
1.49 tj 80: usage instructions.
81: All the following patches are also available in one
82: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6.tar.gz">tar.gz file</a>
83: for convenience.
1.1 jsg 84:
85: <p>
1.49 tj 86: Patches for supported releases are also incorporated into the
1.50 tj 87: <a href="stable.html">-stable branch</a>.
1.1 jsg 88:
89: <hr>
90:
91: <ul>
92:
1.51 tb 93: <li id="p001_rxr">
1.57 bentley 94: <strong>001: RELIABILITY FIX: September 5, 2014</strong>
1.1 jsg 95: <i>All architectures</i><br>
96: Incorrect RX ring computation leads to panics under load with bge(4), em(4) and ix(4).
97: <br>
1.48 tb 98: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/001_rxr.patch.sig">
1.2 stsp 99: A source code patch exists which remedies this problem.</a>
100: <p>
101:
1.51 tb 102: <li id="p002_nd6">
1.57 bentley 103: <strong>002: RELIABILITY FIX: October 1, 2014</strong>
1.2 stsp 104: <i>All architectures</i><br>
105: If IPv6 autoconf is active on an interface and the autoconfprivacy extension is used,
106: redundant addresses are added whenever an autoconfprivacy address expires.
107: The autoconfprivacy extension is used by default and can be disabled with ifconfig(8)
108: as a workaround:
109: <pre>
110: # ifconfig em0 -autoconfprivacy
111: </pre>
1.48 tb 112: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/002_nd6.patch.sig">
1.2 stsp 113: A source code patch exists which remedies this problem.</a>
114: <p>
115:
1.51 tb 116: <li id="p003_nginx">
1.57 bentley 117: <strong>003: SECURITY FIX: October 1, 2014</strong>
1.2 stsp 118: <i>All architectures</i><br>
119: nginx can reuse cached SSL sessions in unrelated contexts, allowing virtual
120: host confusion attacks in some configurations.
121: This issue was assigned CVE-2014-3616.
122: <br>
1.48 tb 123: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/003_nginx.patch.sig">
1.1 jsg 124: A source code patch exists which remedies this problem.</a>
125: <p>
126:
1.51 tb 127: <li id="p004_kernexec">
1.57 bentley 128: <strong>004: RELIABILITY FIX: October 20, 2014</strong>
1.4 tedu 129: <i>All architectures</i><br>
130: Executable headers with an unaligned address will trigger a kernel panic.
131: <br>
1.48 tb 132: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/004_kernexec.patch.sig">
1.4 tedu 133: A source code patch exists which remedies this problem.</a>
134: <p>
135:
1.51 tb 136: <li id="p005_nosslv3">
1.57 bentley 137: <strong>005: SECURITY FIX: October 20, 2014</strong>
1.5 tedu 138: <i>All architectures</i><br>
139: This patch disables the SSLv3 protocol by default.
140: <p>
141: <i>
142: Applications depending on SSLv3 may need to be recompiled with
1.51 tb 143: </i>
1.5 tedu 144: <pre> SSL_CTX_clear_option(ctx, SSL_OP_NO_SSLv3);</pre>
1.51 tb 145: <i>
1.5 tedu 146: but we recommend against the continued use of this obsolete protocol.
147: </i>
148: <p>
1.48 tb 149: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/005_nosslv3.patch.sig">
1.5 tedu 150: A source code patch exists which remedies this problem.</a>
151: <p>
152:
1.51 tb 153: <li id="p006_relayd">
1.57 bentley 154: <strong>006: RELIABILITY FIX: November 17, 2014</strong>
1.6 florian 155: <i>All architectures</i><br>
156: Certain http requests can crash relayd.
157: <br>
1.48 tb 158: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/006_relayd.patch.sig">
1.6 florian 159: A source code patch exists which remedies this problem.</a>
160: <p>
161:
1.51 tb 162: <li id="p007_pfctl">
1.57 bentley 163: <strong>007: RELIABILITY FIX: November 17, 2014</strong>
1.7 sthen 164: <i>All architectures</i><br>
1.8 tedu 165: A PF rule using an IPv4 address
166: followed by an IPv6 address and then a dynamic address, e.g. "pass
167: from {192.0.2.1 2001:db8::1} to (pppoe0)", will have an incorrect /32
168: mask applied to the dynamic address.
1.7 sthen 169: <br>
1.48 tb 170: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/007_pfctl.patch.sig">
1.8 tedu 171: A source code patch exists which remedies this problem.</a>
172: <p>
173:
1.51 tb 174: <li id="p008_asr">
1.57 bentley 175: <strong>008: RELIABILITY FIX: November 17, 2014</strong>
1.8 tedu 176: <i>All architectures</i><br>
177: Querying an invalid hostname with gethostbyname(3) could cause a NULL deref.
178: <br>
1.48 tb 179: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/008_asr.patch.sig">
1.7 sthen 180: A source code patch exists which remedies this problem.</a>
181: <p>
182:
1.51 tb 183: <li id="p009_httpd">
1.57 bentley 184: <strong>009: RELIABILITY FIX: November 18, 2014</strong>
1.9 reyk 185: <i>All architectures</i><br>
186: httpd was developed very rapidly in the weeks before 5.6 release, and
187: it has a few flaws. It would be nice to get these flaws fully
188: remediated before the next release, and that requires the community to
189: want to use it. Therefore here is a "jumbo" patch that brings in the
190: most important fixes.
191: <br>
1.48 tb 192: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/009_httpd.patch.sig">
1.9 reyk 193: A source code patch exists which remedies this problem.</a>
1.19 tedu 194: <br>
195: <i>Unfortunately the source tree found on the CD set contains a slightly different
196: checkout, from just before the release was finished and is missing a few httpd
197: commits. Therefore, the patch above will not apply correctly. Users are encouraged
198: to use cvs to get the latest httpd sources if interested.</i>
1.9 reyk 199: <p>
200:
1.51 tb 201: <li id="p010_pipex">
1.57 bentley 202: <strong>010: RELIABILITY FIX: December 5, 2014</strong>
1.10 tedu 203: <i>All architectures</i><br>
204: Several bugs were fixed that allowed a crash from remote when an active pipex
205: session exists.
206: <br>
1.48 tb 207: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/010_pipex.patch.sig">
1.10 tedu 208: A source code patch exists which remedies this problem.</a>
209: <p>
210:
1.51 tb 211: <li id="p011_pppoe">
1.57 bentley 212: <strong>011: RELIABILITY FIX: December 5, 2014</strong>
1.10 tedu 213: <i>All architectures</i><br>
214: An incorrect memcpy call would result in corrupted MAC addresses when
215: using PPPOE.
216: <br>
1.48 tb 217: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/011_pppoe.patch.sig">
1.10 tedu 218: A source code patch exists which remedies this problem.</a>
219: <p>
220:
1.51 tb 221: <li id="p012_unbound">
1.57 bentley 222: <strong>012: RELIABILITY FIX: December 9, 2014</strong>
1.12 tedu 223: <i>All architectures</i><br>
1.13 tedu 224: Fix a denial of service where a malicious authority could make the resolver chase an
225: endless series of delegations. (CVE-2014-8602)
1.12 tedu 226: <br>
1.48 tb 227: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/012_unbound.patch.sig">
1.12 tedu 228: A source code patch exists which remedies this problem.</a>
229: <p>
230:
1.51 tb 231: <li id="p013_virtio">
1.57 bentley 232: <strong>013: RELIABILITY FIX: December 9, 2014</strong>
1.12 tedu 233: <i>All architectures</i><br>
1.13 tedu 234: Missing memory barriers in virtio(4) can lead to hangs with virtio devices,
235: like vio(4) and vioblk(4).
1.12 tedu 236: <br>
1.48 tb 237: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/013_virtio.patch.sig">
1.12 tedu 238: A source code patch exists which remedies this problem.</a>
239: <p>
240:
1.51 tb 241: <li id="p014_xserver">
1.57 bentley 242: <strong>014: SECURITY FIX: December 9, 2014</strong>
1.12 tedu 243: <i>All architectures</i><br>
244: One year after Ilja van Sprundel discovered and reported a large number
245: of issues in the way the X server code base handles requests from X clients,
246: they have been fixed.
247: <br>
248: <a href="http://www.x.org/wiki/Development/Security/Advisory-2014-12-09/">X Advisory</a>
249: <br>
1.48 tb 250: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/014_xserver.patch.sig">
1.12 tedu 251: A source code patch exists which remedies this problem.</a>
252: <p>
253:
1.51 tb 254: <li id="p015_libevent">
1.57 bentley 255: <strong>015: SECURITY FIX: January 13, 2015</strong>
1.15 bluhm 256: <i>All architectures</i><br>
257: Fix CVE-2014-6272 in libevent 1.4 event buffer handling. OpenBSD
258: base uses it for the programs: cu tmux ftp-proxy httpd ldapd relayd
259: tftp-proxy tftpd
260: <br>
261: <a href="http://www.wangafu.net/~nickm/volatile/advisory.txt.asc">Libevent Advisory</a>
262: <br>
1.48 tb 263: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/015_libevent.patch.sig">
1.15 bluhm 264: A source code patch exists which remedies this problem.</a>
265: <p>
1.10 tedu 266:
1.51 tb 267: <li id="p016_xserver">
1.57 bentley 268: <strong>016: SECURITY FIX: March 3, 2015</strong>
1.17 tedu 269: <i>All architectures</i><br>
270: Information leak in the XkbSetGeometry request of X servers.
271: <br>
272: For more information, see the
273: <a href="http://www.x.org/wiki/Development/Security/Advisory-2015-02-10/">X.org advisory</a>.
274: <br>
1.48 tb 275: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/016_xserver.patch.sig">
1.17 tedu 276: A source code patch exists which remedies this problem.</a>
277: <p>
278:
1.51 tb 279: <li id="p017_openssl">
1.57 bentley 280: <strong>017: SECURITY FIX: March 13, 2015</strong>
1.20 tedu 281: <i>All architectures</i><br>
282: Don't permit TLS client connections to be downgraded to weak keys.
283: <br>
1.48 tb 284: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/017_openssl.patch.sig">
1.20 tedu 285: A source code patch exists which remedies this problem.</a>
286: <p>
287:
1.51 tb 288: <li id="p018_freetype">
1.57 bentley 289: <strong>018: SECURITY FIX: March 13, 2015</strong>
1.20 tedu 290: <i>All architectures</i><br>
291: Another fix for buffer overflows in malformed fonts.
292: <br>
1.48 tb 293: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/018_freetype.patch.sig">
1.20 tedu 294: A source code patch exists which remedies this problem.</a>
295: <p>
296:
1.51 tb 297: <li id="p019_libxfont">
1.57 bentley 298: <strong>019: SECURITY FIX: March 18, 2015</strong>
1.22 tedu 299: <i>All architectures</i><br>
300: Buffer overflows in libXfont
301: <br>
302: For more information, see the
303: <a href="http://www.x.org/wiki/Development/Security/Advisory-2015-03-17/">X.org advisory</a>.
304: <br>
1.48 tb 305: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/019_libxfont.patch.sig">
1.23 tedu 306: A source code patch exists which remedies this problem.</a>
1.24 tedu 307: <br>Note that the instructions should read <code>cd /usr/xenocara/lib/libXfont</code>.
1.23 tedu 308: <p>
309:
1.51 tb 310: <li id="p020_openssl">
1.57 bentley 311: <strong>020: SECURITY FIX: March 19, 2015</strong>
1.23 tedu 312: <i>All architectures</i><br>
313: Fix several crash causing defects from OpenSSL.<br>
314: These include:<br>
315: CVE-2015-0209 - Use After Free following d2i_ECPrivatekey error<br>
316: CVE-2015-0286 - Segmentation fault in ASN1_TYPE_cmp<br>
317: CVE-2015-0287 - ASN.1 structure reuse memory corruption<br>
318: CVE-2015-0288 - X509_to_X509_REQ NULL pointer deref<br>
319: CVE-2015-0289 - PKCS7 NULL pointer dereferences<br>
320: <br>
321: Several other issues did not apply or were already fixed.<br>
322: For more information, see the
323: <a href="https://www.openssl.org/news/secadv_20150319.txt">OpenSSL advisory</a>.
324: <br>
1.48 tb 325: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/020_openssl.patch.sig">
1.22 tedu 326: A source code patch exists which remedies this problem.</a>
327: <p>
328:
1.51 tb 329: <li id="p021_smtpd">
1.57 bentley 330: <strong>021: RELIABILITY FIX: April 17, 2015</strong>
1.25 gilles 331: <i>All architectures</i><br>
332: Fix a logic error in smtpd handling of SNI.
333: This could allow a remote user to crash the server or provoke a disconnect of other sessions.
334: <br>
1.48 tb 335: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/021_smtpd.patch.sig">
1.28 deraadt 336: A source code patch exists which remedies this problem.</a>
1.25 gilles 337: <p>
338:
1.51 tb 339: <li id="p022_httpd">
1.57 bentley 340: <strong>022: RELIABILITY FIX: April 30, 2015</strong>
1.26 florian 341: <i>All architectures</i><br>
342: A remote user can crash httpd by forcing the daemon to log to a file
343: before the logging system was initialized.
344: <br>
1.48 tb 345: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/022_httpd.patch.sig">
1.28 deraadt 346: A source code patch exists which remedies this problem.</a>
1.26 florian 347: <p>
348:
1.51 tb 349: <li id="p023_elf">
1.57 bentley 350: <strong>023: SECURITY FIX: April 30, 2015</strong>
1.27 guenther 351: <i>All architectures</i><br>
352: Malformed binaries could trigger kernel panics or view kernel memory.
353: <br>
1.48 tb 354: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/023_elf.patch.sig">
1.28 deraadt 355: A source code patch exists which remedies this problem.</a>
1.27 guenther 356: <p>
357:
1.51 tb 358: <li id="p024_tar">
1.57 bentley 359: <strong>024: SECURITY FIX: April 30, 2015</strong>
1.27 guenther 360: <i>All architectures</i><br>
361: Multiple issues in tar/pax/cpio:
362: <ul>
363: <li>extracting a malicious archive could create files outside of
364: the current directory without using pre-existing symlinks to 'escape',
365: and could change the timestamps and modes on preexisting files
366: <li>tar without -P would permit extraction of paths with ".." components
367: <li>there was a buffer overflow in the handling of pax extension headers
368: </ul>
1.48 tb 369: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/024_tar.patch.sig">
1.31 deraadt 370: A source code patch exists which remedies this problem.</a>
371: <p>
372:
1.51 tb 373: <li id="p025_smtpd">
1.57 bentley 374: <strong>025: RELIABILITY FIX: June 11, 2015</strong>
1.31 deraadt 375: <i>All architectures</i><br>
376: Fix multiple reliability issues in smtpd:
377: <ul>
378: <li>a local user can cause smtpd to fail by writing an invalid imsg to control socket.
379: <li>a local user can prevent smtpd from serving new requests by exhausting descriptors.
380: </ul>
1.48 tb 381: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/025_smtpd.patch.sig">
1.31 deraadt 382: A source code patch exists which remedies this problem.</a>
383: <p>
384:
1.51 tb 385: <li id="p026_openssl">
1.57 bentley 386: <strong>026: SECURITY FIX: June 11, 2015</strong>
1.31 deraadt 387: <i>All architectures</i><br>
388: Fix several defects from OpenSSL:
389: <ul>
390: <li>CVE-2015-1788 - Malformed ECParameters causes infinite loop
391: <li>CVE-2015-1789 - Exploitable out-of-bounds read in X509_cmp_time
392: <li>CVE-2015-1792 - CMS verify infinite loop with unknown hash function
393: </ul>
1.32 doug 394: Note that CMS was already disabled in LibreSSL.
395: Several other issues did not apply or were already fixed and one is under review.<br>
396: For more information, see the
397: <a href="https://www.openssl.org/news/secadv_20150611.txt">OpenSSL advisory</a>.
398: <br>
1.48 tb 399: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/026_openssl.patch.sig">
1.28 deraadt 400: A source code patch exists which remedies this problem.</a>
1.27 guenther 401: <p>
402:
1.51 tb 403: <li id="p027_tcp">
1.57 bentley 404: <strong>027: SECURITY FIX: July 14, 2015</strong>
1.34 deraadt 405: <i>All architectures</i><br>
406: A TCP socket can become confused and not properly cleanup resources.
407: <br>
1.48 tb 408: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/027_tcp_persist.patch.sig">
1.37 deraadt 409: A source code patch exists which remedies this problem.</a>
410: <p>
411:
1.51 tb 412: <li id="p028_execve">
1.57 bentley 413: <strong>028: RELIABILITY FIX: July 26, 2015</strong>
1.37 deraadt 414: <i>All architectures</i><br>
415: A kernel memory leak could be triggered by an unprivileged user in
416: a failure case when using execve under systrace.
417: <br>
1.48 tb 418: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/028_execve.patch.sig">
1.37 deraadt 419: A source code patch exists which remedies this problem.</a>
420: <p>
421:
1.51 tb 422: <li id="p029_patch">
1.57 bentley 423: <strong>029: SECURITY FIX: July 26, 2015</strong>
1.37 deraadt 424: <i>All architectures</i><br>
425: The patch utility could be made to invoke arbitrary commands via
426: the obsolete SCCS and RCS support when processing a crafted input file.
427: This patch deletes the SCCS and RCS support.
428: <br>
1.48 tb 429: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/029_patch.patch.sig">
1.34 deraadt 430: A source code patch exists which remedies this problem.</a>
431: <p>
432:
1.51 tb 433: <li id="p030_patch">
1.57 bentley 434: <strong>030: SECURITY FIX: July 30, 2015</strong>
1.38 deraadt 435: <i>All architectures</i><br>
436: The patch utility could become desyncronized processing ed(1)-style diffs.
437: <br>
1.48 tb 438: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/030_patch.patch.sig">
1.38 deraadt 439: A source code patch exists which remedies this problem.</a>
440: <p>
441:
1.51 tb 442: <li id="p031_smtpd">
1.57 bentley 443: <strong>031: SECURITY FIX: October 1, 2015</strong>
1.40 deraadt 444: <i>All architectures</i><br>
445: Fix multiple reliability and security issues in smtpd:<br>
446: <ul>
447: <li>local and remote users could make smtpd crash or stop serving requests.
448: <li>a buffer overflow in the unprivileged, non-chrooted smtpd (lookup)
449: process could allow a local user to cause a crash or potentially
450: execute arbitrary code.
451: <li>a use-after-free in the unprivileged, non-chrooted smtpd (lookup)
452: process could allow a remote attacker to cause a crash or potentially
453: execute arbitrary code.
454: <li>hardlink and symlink attacks allowed a local user to unset chflags or
455: leak the first line of an arbitrary file.
456: </ul>
1.48 tb 457: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/031_smtpd.patch.sig">
1.40 deraadt 458: A source code patch exists which remedies this problem.</a>
459: <p>
460:
1.51 tb 461: <li id="p032_kevent">
1.57 bentley 462: <strong>032: RELIABILITY FIX: October 14, 2015</strong>
1.41 sthen 463: <i>All architectures</i><br>
464: A problem with timer kevents could result in a kernel hang (local denial
465: of service).<br>
1.48 tb 466: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/032_kevent.patch.sig">
1.41 sthen 467: A source code patch exists which remedies this problem.</a>
468: <p>
469:
1.51 tb 470: <li id="p033_obj2txt">
1.57 bentley 471: <strong>033: RELIABILITY FIX: October 15, 2015</strong>
1.42 tedu 472: <i>All architectures</i><br>
473: The OBJ_obj2txt function in libcrypto contains a one byte buffer overrun
474: and memory leak, as reported by Qualys Security.<br>
1.48 tb 475: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/033_obj2txt.patch.sig">
1.42 tedu 476: A source code patch exists which remedies this problem.</a>
477: <p>
478:
1.1 jsg 479: </ul>
480:
1.18 tedu 481: <hr>
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