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1.1 deraadt 10:
11: <!--
12: IMPORTANT REMINDER
13: IF YOU ADD A NEW ERRATUM, MAIL THE PATCH TO TECH AND ANNOUNCE
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16: <h2 id=OpenBSD>
17: <a href="index.html">
18: <i>Open</i><b>BSD</b></a>
19: 6.7 Errata
20: </h2>
21: <hr>
22:
23: For errata on a certain release, click below:<br>
1.2 schwarze 24: <a href="errata20.html">2.0</a>,
1.1 deraadt 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>,
1.2 schwarze 40: <br>
1.1 deraadt 41: <a href="errata36.html">3.6</a>,
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>,
1.2 schwarze 57: <br>
1.1 deraadt 58: <a href="errata52.html">5.2</a>,
59: <a href="errata53.html">5.3</a>,
60: <a href="errata54.html">5.4</a>,
61: <a href="errata55.html">5.5</a>,
62: <a href="errata56.html">5.6</a>,
63: <a href="errata57.html">5.7</a>,
64: <a href="errata58.html">5.8</a>,
65: <a href="errata59.html">5.9</a>,
66: <a href="errata60.html">6.0</a>,
67: <a href="errata61.html">6.1</a>,
68: <a href="errata62.html">6.2</a>,
69: <a href="errata63.html">6.3</a>,
70: <a href="errata64.html">6.4</a>,
71: <a href="errata65.html">6.5</a>,
1.24 deraadt 72: <a href="errata66.html">6.6</a>,
73: <a href="errata68.html">6.8</a>.
1.1 deraadt 74: <hr>
75:
76: <p>
77: Patches for the OpenBSD base system are distributed as unified diffs.
78: Each patch is cryptographically signed with the
79: <a href="https://man.openbsd.org/OpenBSD-6.7/signify.1">signify(1)</a> tool and contains
80: usage instructions.
81: All the following patches are also available in one
82: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7.tar.gz">tar.gz file</a>
83: for convenience.
84:
85: <p>
86: Alternatively, the <a href="https://man.openbsd.org/syspatch">syspatch(8)</a>
87: utility can be used to apply binary updates on the following architectures:
88: amd64, i386, arm64.
89:
90: <p>
91: Patches for supported releases are also incorporated into the
92: <a href="stable.html">-stable branch</a>, which is maintained for one year
93: after release.
94:
95: <hr>
96:
97: <ul>
98:
1.3 tj 99: <li id="p001_wscons">
100: <strong>001: SECURITY FIX: May 19, 2020</strong>
101: <i>All architectures</i>
102: <br>
103: An out-of-bounds index access in wscons(4) can cause a kernel crash.
104: <br>
105: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/001_wscons.patch.sig">
106: A source code patch exists which remedies this problem.</a>
107: <p>
1.1 deraadt 108:
1.5 tj 109: <li id="p002_rpki">
1.4 tj 110: <strong>002: RELIABILITY FIX: May 22, 2020</strong>
111: <i>All architectures</i>
112: <br>
113: rpki-client could hang because of an improper waitpid idiom for rsync
114: processes.
115: <br>
1.5 tj 116: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/002_rpki.patch.sig">
1.4 tj 117: A source code patch exists which remedies this problem.</a>
118: <p>
119:
1.5 tj 120: <li id="p003_ssh">
1.4 tj 121: <strong>003: SECURITY FIX: May 22, 2020</strong>
122: <i>All architectures</i>
123: <br>
124: When attempting to download resident keys from a FIDO token that does
125: not require a password/PIN, ssh-keygen would crash with a NULL
126: dereference.
127: <br>
1.5 tj 128: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/003_ssh.patch.sig">
1.4 tj 129: A source code patch exists which remedies this problem.</a>
130: <p>
131:
1.6 tj 132: <li id="p004_libssl">
133: <strong>004: RELIABILITY FIX: May 22, 2020</strong>
134: <i>All architectures</i>
135: <br>
136: A TLS client with peer verification disabled may crash when contacting a
137: server that sends an empty certificate list.
138: <br>
139: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/004_libssl.patch.sig">
140: A source code patch exists which remedies this problem.</a>
141: <p>
142:
143: <li id="p005_unbound">
144: <strong>005: SECURITY FIX: May 22, 2020</strong>
145: <i>All architectures</i>
146: <br>
147: Specially crafted queries may crash unbound and unwind.
148: Both can be tricked into amplifying an incoming query.
149: <br>
150: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/005_unbound.patch.sig">
151: A source code patch exists which remedies this problem.</a>
152: <p>
153:
1.7 tj 154: <li id="p006_smtpd_sockaddr">
155: <strong>006: SECURITY FIX: May 25, 2020</strong>
156: <i>All architectures</i>
157: <br>
158: Incorrect use of getpeername(2) storage for outgoing IPv6 connections
159: corrupts stack memory. The nature of the corruption and existing
160: mitigations appear to make this difficult to effectively target.
161: <br>
162: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/006_smtpd_sockaddr.patch.sig">
163: A source code patch exists which remedies this problem.</a>
164: <p>
165:
1.8 tj 166: <li id="p007_perl">
167: <strong>007: SECURITY FIX: June 1, 2020</strong>
168: <i>All architectures</i>
169: <br>
170: Several problems in Perl's regular expression compiler could lead to
171: corruption of the intermediate language state of a compiled regular
172: expression.
173: <br>
174: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/007_perl.patch.sig">
175: A source code patch exists which remedies this problem.</a>
176: <p>
177:
1.9 tj 178: <li id="p008_hid">
179: <strong>008: SECURITY FIX: June 5, 2020</strong>
180: <i>All architectures</i>
181: <br>
182: Malicious HID descriptors could be misparsed.
183: <br>
184: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/008_hid.patch.sig">
185: A source code patch exists which remedies this problem.</a>
186: <p>
187:
1.10 tj 188: <li id="p009_asr">
189: <strong>009: RELIABILITY FIX: June 8, 2020</strong>
190: <i>All architectures</i>
191: <br>
192: libc's resolver could get into a corrupted state.
193: <br>
194: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/009_asr.patch.sig">
195: A source code patch exists which remedies this problem.</a>
196: <p>
197:
1.11 tj 198: <li id="p010_x509">
199: <strong>010: RELIABILITY FIX: June 11, 2020</strong>
200: <i>All architectures</i>
201: <br>
202: libcrypto may fail to build a valid certificate chain due to
203: expired untrusted issuer certificates.
204: <br>
205: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/010_x509.patch.sig">
206: A source code patch exists which remedies this problem.</a>
207: <p>
208:
1.12 tj 209: <li id="p011_shmget">
210: <strong>011: SECURITY FIX: July 9, 2020</strong>
211: <i>All architectures</i>
212: <br>
213: shmget IPC_STAT leaked some kernel data.
214: <br>
215: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/011_shmget.patch.sig">
216: A source code patch exists which remedies this problem.</a>
217: <p>
218:
1.13 tj 219: <li id="p012_tty">
1.14 tj 220: <strong>012: RELIABILITY FIX: July 16, 2020</strong>
1.13 tj 221: <i>All architectures</i>
222: <br>
223: tty subsystem abuse can impact performance badly.
224: <br>
225: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/012_tty.patch.sig">
226: A source code patch exists which remedies this problem.</a>
227: <p>
228:
1.15 tj 229: <li id="p013_tty">
230: <strong>013: RELIABILITY FIX: July 22, 2020</strong>
231: <i>All architectures</i>
232: <br>
233: Only pty devices need reprint delays.
234: <br>
235: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/013_tty.patch.sig">
236: A source code patch exists which remedies this problem.</a>
237: <p>
238:
1.16 bluhm 239: <li id="p014_iked">
240: <strong>014: SECURITY FIX: July 27, 2020</strong>
241: <i>All architectures</i>
242: <br>
243: In iked, incorrect use of EVP_PKEY_cmp allows an authentication bypass.
244: <br>
245: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/014_iked.patch.sig">
246: A source code patch exists which remedies this problem.</a>
247: <p>
248:
249: <li id="p015_rpki">
250: <strong>015: SECURITY FIX: July 27, 2020</strong>
251: <i>All architectures</i>
252: <br>
253: In rpki-client, incorrect use of EVP_PKEY_cmp allows an authentication bypass.
254: <br>
255: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/015_rpki.patch.sig">
256: A source code patch exists which remedies this problem.</a>
257: <p>
258:
1.17 tj 259: <li id="p016_ximcp">
260: <strong>016: SECURITY FIX: July 31, 2020</strong>
261: <i>All architectures</i>
262: <br>
263: Malformed messages can cause heap corruption in the X Input Method
264: client implementation in libX11.
265: <br>
266: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/016_ximcp.patch.sig">
267: A source code patch exists which remedies this problem.</a>
268: <p>
269:
270: <li id="p017_dix">
271: <strong>017: SECURITY FIX: July 31, 2020</strong>
272: <i>All architectures</i>
273: <br>
274: Pixmaps inside the xserver were an info leak.
275: <br>
276: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/017_dix.patch.sig">
277: A source code patch exists which remedies this problem.</a>
278: <p>
279:
1.18 tj 280: <li id="p018_ximcp">
281: <strong>018: RELIABILITY FIX: August 7, 2020</strong>
282: <i>All architectures</i>
283: <br>
284: The recent security errata 016 broke X11 input methods.
285: <br>
286: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/018_ximcp.patch.sig">
287: A source code patch exists which remedies this problem.</a>
288: <p>
289:
1.19 tj 290: <li id="p019_libssl">
291: <strong>019: RELIABILITY FIX: August 11, 2020</strong>
292: <i>All architectures</i>
293: <br>
294: The TLSv1.3 client could hang, crash, leak memory or not interoperate with
295: some TLSv1.3 servers.
296: <br>
297: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/019_libssl.patch.sig">
298: A source code patch exists which remedies this problem.</a>
299: <p>
300:
1.20 tj 301: <li id="p020_libssl">
302: <strong>020: RELIABILITY FIX: August 18, 2020</strong>
303: <i>All architectures</i>
304: <br>
305: The previous errata patch 019 broke bidirectional SSL_shutdown.
306: <br>
1.21 tj 307: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/020_libssl.patch.sig">
1.20 tj 308: A source code patch exists which remedies this problem.</a>
309: <p>
310:
1.22 tj 311: <li id="p021_xinitom">
312: <strong>021: SECURITY FIX: August 25, 2020</strong>
313: <i>All architectures</i>
314: <br>
315: An integer overflow in libX11 could lead to a double free.
316: Additionally fix a regression in ximcp.
317: <br>
318: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/021_xinitom.patch.sig">
319: A source code patch exists which remedies this problem.</a>
1.29 tb 320: <p>
1.22 tj 321:
322: <li id="p022_xserverlen">
323: <strong>022: SECURITY FIX: August 25, 2020</strong>
324: <i>All architectures</i>
325: <br>
326: Various X server extensions had deficient input validation.
327: <br>
328: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/022_xserverlen.patch.sig">
329: A source code patch exists which remedies this problem.</a>
330: <p>
331:
1.23 tj 332: <li id="p023_amdgpu">
333: <strong>023: SECURITY FIX: September 5, 2020</strong>
334: <i>amd64, arm64</i>
335: <br>
336: A buffer overflow was discovered in an amdgpu ioctl.
337: <br>
338: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/023_amdgpu.patch.sig">
339: A source code patch exists which remedies this problem.</a>
340: <p>
341:
1.25 tj 342: <li id="p024_mmap">
343: <strong>024: RELIABILITY FIX: October 6, 2020</strong>
344: <i>All architectures</i>
345: <br>
346: mmap can exhaust kernel memory for PROT_NONE MAP_SHARED mappings.
347: <br>
348: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/024_mmap.patch.sig">
349: A source code patch exists which remedies this problem.</a>
350: <p>
351:
1.26 tj 352: <li id="p025_bgpd">
353: <strong>025: RELIABILITY FIX: October 29, 2020</strong>
354: <i>All architectures</i>
355: <br>
356: In bgpd, the roa-set parser could leak memory.
357: <br>
358: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/025_bgpd.patch.sig">
359: A source code patch exists which remedies this problem.</a>
360: <p>
361:
1.27 tb 362: <li id="p026_icmp6">
363: <strong>026: SECURITY FIX: October 29, 2020</strong>
364: <i>All architectures</i>
365: <br>
366: When generating the ICMP6 response to an IPv6 packet, the kernel
367: could use mbuf memory after freeing it.
368: <br>
369: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/026_icmp6.patch.sig">
370: A source code patch exists which remedies this problem.</a>
371: <p>
372:
1.28 tb 373: <li id="p027_tmux">
374: <strong>027: SECURITY FIX: October 29, 2020</strong>
375: <i>All architectures</i>
376: <br>
377: tmux has a stack overflow in CSI parsing.
378: <br>
379: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/027_tmux.patch.sig">
380: A source code patch exists which remedies this problem.</a>
1.29 tb 381: <p>
382:
383: <li id="p028_unwind">
384: <strong>028: RELIABILITY FIX: November 10, 2020</strong>
385: <i>All architectures</i>
386: <br>
387: unwind fails to process large DNS replies.
388: <br>
389: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/028_unwind.patch.sig">
390: A source code patch exists which remedies this problem.</a>
391: <p>
392:
393: <li id="p029_rpki">
394: <strong>029: RELIABILITY FIX: November 10, 2020</strong>
395: <i>All architectures</i>
396: <br>
397: rpki-client incorrectly checks the manifest validity interval.
398: <br>
399: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/029_rpki.patch.sig">
400: A source code patch exists which remedies this problem.</a>
401: <p>
1.28 tb 402:
1.30 tb 403: <li id="p030_xmaplen">
404: <strong>030: SECURITY FIX: December 1, 2020</strong>
405: <i>All architectures</i>
406: <br>
407: Multiple input validation failures in the X server XKB extension can lead
408: to out of bounds memory accesses for authorized clients.
409: <br>
410: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/030_xmaplen.patch.sig">
411: A source code patch exists which remedies this problem.</a>
412: <p>
413:
1.31 tb 414: <li id="p031_asn1">
415: <strong>031: SECURITY FIX: December 8, 2020</strong>
416: <i>All architectures</i>
417: <br>
418: Malformed ASN.1 in a certificate revocation list or a timestamp
419: response token can lead to a NULL pointer dereference.
420: <br>
421: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/031_asn1.patch.sig">
422: A source code patch exists which remedies this problem.</a>
423: <p>
424:
425: <li id="p032_exit">
426: <strong>032: RELIABILITY FIX: December 8, 2020</strong>
427: <i>All architectures</i>
428: <br>
429: Process exit in multithreaded programs could result in the wrong exit
430: code being reported.
431: <br>
432: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/032_exit.patch.sig">
433: A source code patch exists which remedies this problem.</a>
434: <p>
435:
1.32 tb 436: <li id="p033_smtpd">
437: <strong>033: RELIABILITY FIX: December 24, 2020</strong>
438: <i>All architectures</i>
439: <br>
440: smtpd's filter state machine can prematurely release resources
441: leading to a crash.
442: <br>
443: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/033_smtpd.patch.sig">
444: A source code patch exists which remedies this problem.</a>
445: <p>
446:
1.33 benno 447: <li id="p034_nd6">
448: <strong>034: RELIABILITY FIX: January 11, 2021</strong>
449: <i>All architectures</i>
450: <br>
451: When an NDP entry is invalidated the associated layer 2 address
452: is not invalidated.
453: <br>
454: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/034_nd6.patch.sig">
455: A source code patch exists which remedies this problem.</a>
456: <p>
457:
1.34 bluhm 458: <li id="p035_pffrag">
1.35 patrick 459: <strong>035: SECURITY FIX: February 24, 2021</strong>
1.34 bluhm 460: <i>All architectures</i>
461: <br>
462: A sequence of overlapping IPv4 fragments could crash the kernel in
463: pf due to an assertion.
464: <br>
465: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/035_pffrag.patch.sig">
466: A source code patch exists which remedies this problem.</a>
467: <p>
468:
1.36 ! bluhm 469: <li id="p036_sshagent">
! 470: <strong>036: SECURITY FIX: March 4, 2021</strong>
! 471: <i>All architectures</i>
! 472: <br>
! 473: Double free in ssh-agent(1)
! 474: <br>
! 475: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/036_sshagent.patch.sig">
! 476: A source code patch exists which remedies this problem.</a>
! 477: <p>
! 478:
1.1 deraadt 479: </ul>
480:
481: <hr>
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