Annotation of www/errata56.html, Revision 1.63
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3: <meta charset=utf-8>
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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>,
1.61 deraadt 73: <a href="errata67.html">6.7</a>,
1.62 deraadt 74: <a href="errata68.html">6.8</a>,
1.63 ! tj 75: <br>
1.62 deraadt 76: <a href="errata69.html">6.9</a>.
1.1 jsg 77: <hr>
78:
79: <p>
1.49 tj 80: Patches for the OpenBSD base system are distributed as unified diffs.
81: Each patch is cryptographically signed with the
1.52 tb 82: <a href="https://man.openbsd.org/OpenBSD-5.6/signify.1">signify(1)</a> tool and contains
1.49 tj 83: usage instructions.
84: All the following patches are also available in one
85: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6.tar.gz">tar.gz file</a>
86: for convenience.
1.1 jsg 87:
88: <p>
1.49 tj 89: Patches for supported releases are also incorporated into the
1.50 tj 90: <a href="stable.html">-stable branch</a>.
1.1 jsg 91:
92: <hr>
93:
94: <ul>
95:
1.51 tb 96: <li id="p001_rxr">
1.57 bentley 97: <strong>001: RELIABILITY FIX: September 5, 2014</strong>
1.1 jsg 98: <i>All architectures</i><br>
99: Incorrect RX ring computation leads to panics under load with bge(4), em(4) and ix(4).
100: <br>
1.48 tb 101: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/001_rxr.patch.sig">
1.2 stsp 102: A source code patch exists which remedies this problem.</a>
103: <p>
104:
1.51 tb 105: <li id="p002_nd6">
1.57 bentley 106: <strong>002: RELIABILITY FIX: October 1, 2014</strong>
1.2 stsp 107: <i>All architectures</i><br>
108: If IPv6 autoconf is active on an interface and the autoconfprivacy extension is used,
109: redundant addresses are added whenever an autoconfprivacy address expires.
110: The autoconfprivacy extension is used by default and can be disabled with ifconfig(8)
111: as a workaround:
112: <pre>
113: # ifconfig em0 -autoconfprivacy
114: </pre>
1.48 tb 115: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/002_nd6.patch.sig">
1.2 stsp 116: A source code patch exists which remedies this problem.</a>
117: <p>
118:
1.51 tb 119: <li id="p003_nginx">
1.57 bentley 120: <strong>003: SECURITY FIX: October 1, 2014</strong>
1.2 stsp 121: <i>All architectures</i><br>
122: nginx can reuse cached SSL sessions in unrelated contexts, allowing virtual
123: host confusion attacks in some configurations.
124: This issue was assigned CVE-2014-3616.
125: <br>
1.48 tb 126: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/003_nginx.patch.sig">
1.1 jsg 127: A source code patch exists which remedies this problem.</a>
128: <p>
129:
1.51 tb 130: <li id="p004_kernexec">
1.57 bentley 131: <strong>004: RELIABILITY FIX: October 20, 2014</strong>
1.4 tedu 132: <i>All architectures</i><br>
133: Executable headers with an unaligned address will trigger a kernel panic.
134: <br>
1.48 tb 135: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/004_kernexec.patch.sig">
1.4 tedu 136: A source code patch exists which remedies this problem.</a>
137: <p>
138:
1.51 tb 139: <li id="p005_nosslv3">
1.57 bentley 140: <strong>005: SECURITY FIX: October 20, 2014</strong>
1.5 tedu 141: <i>All architectures</i><br>
142: This patch disables the SSLv3 protocol by default.
143: <p>
144: <i>
145: Applications depending on SSLv3 may need to be recompiled with
1.51 tb 146: </i>
1.5 tedu 147: <pre> SSL_CTX_clear_option(ctx, SSL_OP_NO_SSLv3);</pre>
1.51 tb 148: <i>
1.5 tedu 149: but we recommend against the continued use of this obsolete protocol.
150: </i>
151: <p>
1.48 tb 152: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/005_nosslv3.patch.sig">
1.5 tedu 153: A source code patch exists which remedies this problem.</a>
154: <p>
155:
1.51 tb 156: <li id="p006_relayd">
1.57 bentley 157: <strong>006: RELIABILITY FIX: November 17, 2014</strong>
1.6 florian 158: <i>All architectures</i><br>
159: Certain http requests can crash relayd.
160: <br>
1.48 tb 161: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/006_relayd.patch.sig">
1.6 florian 162: A source code patch exists which remedies this problem.</a>
163: <p>
164:
1.51 tb 165: <li id="p007_pfctl">
1.57 bentley 166: <strong>007: RELIABILITY FIX: November 17, 2014</strong>
1.7 sthen 167: <i>All architectures</i><br>
1.8 tedu 168: A PF rule using an IPv4 address
169: followed by an IPv6 address and then a dynamic address, e.g. "pass
170: from {192.0.2.1 2001:db8::1} to (pppoe0)", will have an incorrect /32
171: mask applied to the dynamic address.
1.7 sthen 172: <br>
1.48 tb 173: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/007_pfctl.patch.sig">
1.8 tedu 174: A source code patch exists which remedies this problem.</a>
175: <p>
176:
1.51 tb 177: <li id="p008_asr">
1.57 bentley 178: <strong>008: RELIABILITY FIX: November 17, 2014</strong>
1.8 tedu 179: <i>All architectures</i><br>
180: Querying an invalid hostname with gethostbyname(3) could cause a NULL deref.
181: <br>
1.48 tb 182: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/008_asr.patch.sig">
1.7 sthen 183: A source code patch exists which remedies this problem.</a>
184: <p>
185:
1.51 tb 186: <li id="p009_httpd">
1.57 bentley 187: <strong>009: RELIABILITY FIX: November 18, 2014</strong>
1.9 reyk 188: <i>All architectures</i><br>
189: httpd was developed very rapidly in the weeks before 5.6 release, and
190: it has a few flaws. It would be nice to get these flaws fully
191: remediated before the next release, and that requires the community to
192: want to use it. Therefore here is a "jumbo" patch that brings in the
193: most important fixes.
194: <br>
1.48 tb 195: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/009_httpd.patch.sig">
1.9 reyk 196: A source code patch exists which remedies this problem.</a>
1.19 tedu 197: <br>
198: <i>Unfortunately the source tree found on the CD set contains a slightly different
199: checkout, from just before the release was finished and is missing a few httpd
200: commits. Therefore, the patch above will not apply correctly. Users are encouraged
201: to use cvs to get the latest httpd sources if interested.</i>
1.9 reyk 202: <p>
203:
1.51 tb 204: <li id="p010_pipex">
1.57 bentley 205: <strong>010: RELIABILITY FIX: December 5, 2014</strong>
1.10 tedu 206: <i>All architectures</i><br>
207: Several bugs were fixed that allowed a crash from remote when an active pipex
208: session exists.
209: <br>
1.48 tb 210: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/010_pipex.patch.sig">
1.10 tedu 211: A source code patch exists which remedies this problem.</a>
212: <p>
213:
1.51 tb 214: <li id="p011_pppoe">
1.57 bentley 215: <strong>011: RELIABILITY FIX: December 5, 2014</strong>
1.10 tedu 216: <i>All architectures</i><br>
217: An incorrect memcpy call would result in corrupted MAC addresses when
218: using PPPOE.
219: <br>
1.48 tb 220: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/011_pppoe.patch.sig">
1.10 tedu 221: A source code patch exists which remedies this problem.</a>
222: <p>
223:
1.51 tb 224: <li id="p012_unbound">
1.57 bentley 225: <strong>012: RELIABILITY FIX: December 9, 2014</strong>
1.12 tedu 226: <i>All architectures</i><br>
1.13 tedu 227: Fix a denial of service where a malicious authority could make the resolver chase an
228: endless series of delegations. (CVE-2014-8602)
1.12 tedu 229: <br>
1.48 tb 230: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/012_unbound.patch.sig">
1.12 tedu 231: A source code patch exists which remedies this problem.</a>
232: <p>
233:
1.51 tb 234: <li id="p013_virtio">
1.57 bentley 235: <strong>013: RELIABILITY FIX: December 9, 2014</strong>
1.12 tedu 236: <i>All architectures</i><br>
1.13 tedu 237: Missing memory barriers in virtio(4) can lead to hangs with virtio devices,
238: like vio(4) and vioblk(4).
1.12 tedu 239: <br>
1.48 tb 240: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/013_virtio.patch.sig">
1.12 tedu 241: A source code patch exists which remedies this problem.</a>
242: <p>
243:
1.51 tb 244: <li id="p014_xserver">
1.57 bentley 245: <strong>014: SECURITY FIX: December 9, 2014</strong>
1.12 tedu 246: <i>All architectures</i><br>
247: One year after Ilja van Sprundel discovered and reported a large number
248: of issues in the way the X server code base handles requests from X clients,
249: they have been fixed.
250: <br>
251: <a href="http://www.x.org/wiki/Development/Security/Advisory-2014-12-09/">X Advisory</a>
252: <br>
1.48 tb 253: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/014_xserver.patch.sig">
1.12 tedu 254: A source code patch exists which remedies this problem.</a>
255: <p>
256:
1.51 tb 257: <li id="p015_libevent">
1.57 bentley 258: <strong>015: SECURITY FIX: January 13, 2015</strong>
1.15 bluhm 259: <i>All architectures</i><br>
260: Fix CVE-2014-6272 in libevent 1.4 event buffer handling. OpenBSD
261: base uses it for the programs: cu tmux ftp-proxy httpd ldapd relayd
262: tftp-proxy tftpd
263: <br>
264: <a href="http://www.wangafu.net/~nickm/volatile/advisory.txt.asc">Libevent Advisory</a>
265: <br>
1.48 tb 266: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/015_libevent.patch.sig">
1.15 bluhm 267: A source code patch exists which remedies this problem.</a>
268: <p>
1.10 tedu 269:
1.51 tb 270: <li id="p016_xserver">
1.57 bentley 271: <strong>016: SECURITY FIX: March 3, 2015</strong>
1.17 tedu 272: <i>All architectures</i><br>
273: Information leak in the XkbSetGeometry request of X servers.
274: <br>
275: For more information, see the
276: <a href="http://www.x.org/wiki/Development/Security/Advisory-2015-02-10/">X.org advisory</a>.
277: <br>
1.48 tb 278: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/016_xserver.patch.sig">
1.17 tedu 279: A source code patch exists which remedies this problem.</a>
280: <p>
281:
1.51 tb 282: <li id="p017_openssl">
1.57 bentley 283: <strong>017: SECURITY FIX: March 13, 2015</strong>
1.20 tedu 284: <i>All architectures</i><br>
285: Don't permit TLS client connections to be downgraded to weak keys.
286: <br>
1.48 tb 287: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/017_openssl.patch.sig">
1.20 tedu 288: A source code patch exists which remedies this problem.</a>
289: <p>
290:
1.51 tb 291: <li id="p018_freetype">
1.57 bentley 292: <strong>018: SECURITY FIX: March 13, 2015</strong>
1.20 tedu 293: <i>All architectures</i><br>
294: Another fix for buffer overflows in malformed fonts.
295: <br>
1.48 tb 296: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/018_freetype.patch.sig">
1.20 tedu 297: A source code patch exists which remedies this problem.</a>
298: <p>
299:
1.51 tb 300: <li id="p019_libxfont">
1.57 bentley 301: <strong>019: SECURITY FIX: March 18, 2015</strong>
1.22 tedu 302: <i>All architectures</i><br>
303: Buffer overflows in libXfont
304: <br>
305: For more information, see the
306: <a href="http://www.x.org/wiki/Development/Security/Advisory-2015-03-17/">X.org advisory</a>.
307: <br>
1.48 tb 308: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/019_libxfont.patch.sig">
1.23 tedu 309: A source code patch exists which remedies this problem.</a>
1.24 tedu 310: <br>Note that the instructions should read <code>cd /usr/xenocara/lib/libXfont</code>.
1.23 tedu 311: <p>
312:
1.51 tb 313: <li id="p020_openssl">
1.57 bentley 314: <strong>020: SECURITY FIX: March 19, 2015</strong>
1.23 tedu 315: <i>All architectures</i><br>
316: Fix several crash causing defects from OpenSSL.<br>
317: These include:<br>
318: CVE-2015-0209 - Use After Free following d2i_ECPrivatekey error<br>
319: CVE-2015-0286 - Segmentation fault in ASN1_TYPE_cmp<br>
320: CVE-2015-0287 - ASN.1 structure reuse memory corruption<br>
321: CVE-2015-0288 - X509_to_X509_REQ NULL pointer deref<br>
322: CVE-2015-0289 - PKCS7 NULL pointer dereferences<br>
323: <br>
324: Several other issues did not apply or were already fixed.<br>
325: For more information, see the
326: <a href="https://www.openssl.org/news/secadv_20150319.txt">OpenSSL advisory</a>.
327: <br>
1.48 tb 328: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/020_openssl.patch.sig">
1.22 tedu 329: A source code patch exists which remedies this problem.</a>
330: <p>
331:
1.51 tb 332: <li id="p021_smtpd">
1.57 bentley 333: <strong>021: RELIABILITY FIX: April 17, 2015</strong>
1.25 gilles 334: <i>All architectures</i><br>
335: Fix a logic error in smtpd handling of SNI.
336: This could allow a remote user to crash the server or provoke a disconnect of other sessions.
337: <br>
1.48 tb 338: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/021_smtpd.patch.sig">
1.28 deraadt 339: A source code patch exists which remedies this problem.</a>
1.25 gilles 340: <p>
341:
1.51 tb 342: <li id="p022_httpd">
1.57 bentley 343: <strong>022: RELIABILITY FIX: April 30, 2015</strong>
1.26 florian 344: <i>All architectures</i><br>
345: A remote user can crash httpd by forcing the daemon to log to a file
346: before the logging system was initialized.
347: <br>
1.48 tb 348: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/022_httpd.patch.sig">
1.28 deraadt 349: A source code patch exists which remedies this problem.</a>
1.26 florian 350: <p>
351:
1.51 tb 352: <li id="p023_elf">
1.57 bentley 353: <strong>023: SECURITY FIX: April 30, 2015</strong>
1.27 guenther 354: <i>All architectures</i><br>
355: Malformed binaries could trigger kernel panics or view kernel memory.
356: <br>
1.48 tb 357: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/023_elf.patch.sig">
1.28 deraadt 358: A source code patch exists which remedies this problem.</a>
1.27 guenther 359: <p>
360:
1.51 tb 361: <li id="p024_tar">
1.57 bentley 362: <strong>024: SECURITY FIX: April 30, 2015</strong>
1.27 guenther 363: <i>All architectures</i><br>
364: Multiple issues in tar/pax/cpio:
365: <ul>
366: <li>extracting a malicious archive could create files outside of
367: the current directory without using pre-existing symlinks to 'escape',
368: and could change the timestamps and modes on preexisting files
369: <li>tar without -P would permit extraction of paths with ".." components
370: <li>there was a buffer overflow in the handling of pax extension headers
371: </ul>
1.48 tb 372: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/024_tar.patch.sig">
1.31 deraadt 373: A source code patch exists which remedies this problem.</a>
374: <p>
375:
1.51 tb 376: <li id="p025_smtpd">
1.57 bentley 377: <strong>025: RELIABILITY FIX: June 11, 2015</strong>
1.31 deraadt 378: <i>All architectures</i><br>
379: Fix multiple reliability issues in smtpd:
380: <ul>
381: <li>a local user can cause smtpd to fail by writing an invalid imsg to control socket.
382: <li>a local user can prevent smtpd from serving new requests by exhausting descriptors.
383: </ul>
1.48 tb 384: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/025_smtpd.patch.sig">
1.31 deraadt 385: A source code patch exists which remedies this problem.</a>
386: <p>
387:
1.51 tb 388: <li id="p026_openssl">
1.57 bentley 389: <strong>026: SECURITY FIX: June 11, 2015</strong>
1.31 deraadt 390: <i>All architectures</i><br>
391: Fix several defects from OpenSSL:
392: <ul>
393: <li>CVE-2015-1788 - Malformed ECParameters causes infinite loop
394: <li>CVE-2015-1789 - Exploitable out-of-bounds read in X509_cmp_time
395: <li>CVE-2015-1792 - CMS verify infinite loop with unknown hash function
396: </ul>
1.32 doug 397: Note that CMS was already disabled in LibreSSL.
398: Several other issues did not apply or were already fixed and one is under review.<br>
399: For more information, see the
400: <a href="https://www.openssl.org/news/secadv_20150611.txt">OpenSSL advisory</a>.
401: <br>
1.48 tb 402: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/026_openssl.patch.sig">
1.28 deraadt 403: A source code patch exists which remedies this problem.</a>
1.27 guenther 404: <p>
405:
1.51 tb 406: <li id="p027_tcp">
1.57 bentley 407: <strong>027: SECURITY FIX: July 14, 2015</strong>
1.34 deraadt 408: <i>All architectures</i><br>
409: A TCP socket can become confused and not properly cleanup resources.
410: <br>
1.48 tb 411: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/027_tcp_persist.patch.sig">
1.37 deraadt 412: A source code patch exists which remedies this problem.</a>
413: <p>
414:
1.51 tb 415: <li id="p028_execve">
1.57 bentley 416: <strong>028: RELIABILITY FIX: July 26, 2015</strong>
1.37 deraadt 417: <i>All architectures</i><br>
418: A kernel memory leak could be triggered by an unprivileged user in
419: a failure case when using execve under systrace.
420: <br>
1.48 tb 421: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/028_execve.patch.sig">
1.37 deraadt 422: A source code patch exists which remedies this problem.</a>
423: <p>
424:
1.51 tb 425: <li id="p029_patch">
1.57 bentley 426: <strong>029: SECURITY FIX: July 26, 2015</strong>
1.37 deraadt 427: <i>All architectures</i><br>
428: The patch utility could be made to invoke arbitrary commands via
429: the obsolete SCCS and RCS support when processing a crafted input file.
430: This patch deletes the SCCS and RCS support.
431: <br>
1.48 tb 432: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/029_patch.patch.sig">
1.34 deraadt 433: A source code patch exists which remedies this problem.</a>
434: <p>
435:
1.51 tb 436: <li id="p030_patch">
1.57 bentley 437: <strong>030: SECURITY FIX: July 30, 2015</strong>
1.38 deraadt 438: <i>All architectures</i><br>
439: The patch utility could become desyncronized processing ed(1)-style diffs.
440: <br>
1.48 tb 441: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/030_patch.patch.sig">
1.38 deraadt 442: A source code patch exists which remedies this problem.</a>
443: <p>
444:
1.51 tb 445: <li id="p031_smtpd">
1.57 bentley 446: <strong>031: SECURITY FIX: October 1, 2015</strong>
1.40 deraadt 447: <i>All architectures</i><br>
448: Fix multiple reliability and security issues in smtpd:<br>
449: <ul>
450: <li>local and remote users could make smtpd crash or stop serving requests.
451: <li>a buffer overflow in the unprivileged, non-chrooted smtpd (lookup)
452: process could allow a local user to cause a crash or potentially
453: execute arbitrary code.
454: <li>a use-after-free in the unprivileged, non-chrooted smtpd (lookup)
455: process could allow a remote attacker to cause a crash or potentially
456: execute arbitrary code.
457: <li>hardlink and symlink attacks allowed a local user to unset chflags or
458: leak the first line of an arbitrary file.
459: </ul>
1.48 tb 460: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/031_smtpd.patch.sig">
1.40 deraadt 461: A source code patch exists which remedies this problem.</a>
462: <p>
463:
1.51 tb 464: <li id="p032_kevent">
1.57 bentley 465: <strong>032: RELIABILITY FIX: October 14, 2015</strong>
1.41 sthen 466: <i>All architectures</i><br>
467: A problem with timer kevents could result in a kernel hang (local denial
468: of service).<br>
1.48 tb 469: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/032_kevent.patch.sig">
1.41 sthen 470: A source code patch exists which remedies this problem.</a>
471: <p>
472:
1.51 tb 473: <li id="p033_obj2txt">
1.57 bentley 474: <strong>033: RELIABILITY FIX: October 15, 2015</strong>
1.42 tedu 475: <i>All architectures</i><br>
476: The OBJ_obj2txt function in libcrypto contains a one byte buffer overrun
477: and memory leak, as reported by Qualys Security.<br>
1.48 tb 478: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/5.6/common/033_obj2txt.patch.sig">
1.42 tedu 479: A source code patch exists which remedies this problem.</a>
480: <p>
481:
1.1 jsg 482: </ul>
483:
1.18 tedu 484: <hr>
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