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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>,
1.38 deraadt 73: <a href="errata68.html">6.8</a>,
1.40 tj 74: <br>
1.41 deraadt 75: <a href="errata69.html">6.9</a>,
1.42 ! deraadt 76: <a href="errata70.html">7.0</a>,
! 77: <a href="errata71.html">7.1</a>.
1.1 deraadt 78: <hr>
79:
80: <p>
81: Patches for the OpenBSD base system are distributed as unified diffs.
82: Each patch is cryptographically signed with the
83: <a href="https://man.openbsd.org/OpenBSD-6.7/signify.1">signify(1)</a> tool and contains
84: usage instructions.
85: All the following patches are also available in one
86: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7.tar.gz">tar.gz file</a>
87: for convenience.
88:
89: <p>
90: Alternatively, the <a href="https://man.openbsd.org/syspatch">syspatch(8)</a>
91: utility can be used to apply binary updates on the following architectures:
92: amd64, i386, arm64.
93:
94: <p>
95: Patches for supported releases are also incorporated into the
96: <a href="stable.html">-stable branch</a>, which is maintained for one year
97: after release.
98:
99: <hr>
100:
101: <ul>
102:
1.3 tj 103: <li id="p001_wscons">
104: <strong>001: SECURITY FIX: May 19, 2020</strong>
105: <i>All architectures</i>
106: <br>
107: An out-of-bounds index access in wscons(4) can cause a kernel crash.
108: <br>
109: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/001_wscons.patch.sig">
110: A source code patch exists which remedies this problem.</a>
111: <p>
1.1 deraadt 112:
1.5 tj 113: <li id="p002_rpki">
1.4 tj 114: <strong>002: RELIABILITY FIX: May 22, 2020</strong>
115: <i>All architectures</i>
116: <br>
117: rpki-client could hang because of an improper waitpid idiom for rsync
118: processes.
119: <br>
1.5 tj 120: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/002_rpki.patch.sig">
1.4 tj 121: A source code patch exists which remedies this problem.</a>
122: <p>
123:
1.5 tj 124: <li id="p003_ssh">
1.4 tj 125: <strong>003: SECURITY FIX: May 22, 2020</strong>
126: <i>All architectures</i>
127: <br>
128: When attempting to download resident keys from a FIDO token that does
129: not require a password/PIN, ssh-keygen would crash with a NULL
130: dereference.
131: <br>
1.5 tj 132: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/003_ssh.patch.sig">
1.4 tj 133: A source code patch exists which remedies this problem.</a>
134: <p>
135:
1.6 tj 136: <li id="p004_libssl">
137: <strong>004: RELIABILITY FIX: May 22, 2020</strong>
138: <i>All architectures</i>
139: <br>
140: A TLS client with peer verification disabled may crash when contacting a
141: server that sends an empty certificate list.
142: <br>
143: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/004_libssl.patch.sig">
144: A source code patch exists which remedies this problem.</a>
145: <p>
146:
147: <li id="p005_unbound">
148: <strong>005: SECURITY FIX: May 22, 2020</strong>
149: <i>All architectures</i>
150: <br>
151: Specially crafted queries may crash unbound and unwind.
152: Both can be tricked into amplifying an incoming query.
153: <br>
154: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/005_unbound.patch.sig">
155: A source code patch exists which remedies this problem.</a>
156: <p>
157:
1.7 tj 158: <li id="p006_smtpd_sockaddr">
159: <strong>006: SECURITY FIX: May 25, 2020</strong>
160: <i>All architectures</i>
161: <br>
162: Incorrect use of getpeername(2) storage for outgoing IPv6 connections
163: corrupts stack memory. The nature of the corruption and existing
164: mitigations appear to make this difficult to effectively target.
165: <br>
166: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/006_smtpd_sockaddr.patch.sig">
167: A source code patch exists which remedies this problem.</a>
168: <p>
169:
1.8 tj 170: <li id="p007_perl">
171: <strong>007: SECURITY FIX: June 1, 2020</strong>
172: <i>All architectures</i>
173: <br>
174: Several problems in Perl's regular expression compiler could lead to
175: corruption of the intermediate language state of a compiled regular
176: expression.
177: <br>
178: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/007_perl.patch.sig">
179: A source code patch exists which remedies this problem.</a>
180: <p>
181:
1.9 tj 182: <li id="p008_hid">
183: <strong>008: SECURITY FIX: June 5, 2020</strong>
184: <i>All architectures</i>
185: <br>
186: Malicious HID descriptors could be misparsed.
187: <br>
188: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/008_hid.patch.sig">
189: A source code patch exists which remedies this problem.</a>
190: <p>
191:
1.10 tj 192: <li id="p009_asr">
193: <strong>009: RELIABILITY FIX: June 8, 2020</strong>
194: <i>All architectures</i>
195: <br>
196: libc's resolver could get into a corrupted state.
197: <br>
198: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/009_asr.patch.sig">
199: A source code patch exists which remedies this problem.</a>
200: <p>
201:
1.11 tj 202: <li id="p010_x509">
203: <strong>010: RELIABILITY FIX: June 11, 2020</strong>
204: <i>All architectures</i>
205: <br>
206: libcrypto may fail to build a valid certificate chain due to
207: expired untrusted issuer certificates.
208: <br>
209: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/010_x509.patch.sig">
210: A source code patch exists which remedies this problem.</a>
211: <p>
212:
1.12 tj 213: <li id="p011_shmget">
214: <strong>011: SECURITY FIX: July 9, 2020</strong>
215: <i>All architectures</i>
216: <br>
217: shmget IPC_STAT leaked some kernel data.
218: <br>
219: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/011_shmget.patch.sig">
220: A source code patch exists which remedies this problem.</a>
221: <p>
222:
1.13 tj 223: <li id="p012_tty">
1.14 tj 224: <strong>012: RELIABILITY FIX: July 16, 2020</strong>
1.13 tj 225: <i>All architectures</i>
226: <br>
227: tty subsystem abuse can impact performance badly.
228: <br>
229: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/012_tty.patch.sig">
230: A source code patch exists which remedies this problem.</a>
231: <p>
232:
1.15 tj 233: <li id="p013_tty">
234: <strong>013: RELIABILITY FIX: July 22, 2020</strong>
235: <i>All architectures</i>
236: <br>
237: Only pty devices need reprint delays.
238: <br>
239: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/013_tty.patch.sig">
240: A source code patch exists which remedies this problem.</a>
241: <p>
242:
1.16 bluhm 243: <li id="p014_iked">
244: <strong>014: SECURITY FIX: July 27, 2020</strong>
245: <i>All architectures</i>
246: <br>
247: In iked, incorrect use of EVP_PKEY_cmp allows an authentication bypass.
248: <br>
249: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/014_iked.patch.sig">
250: A source code patch exists which remedies this problem.</a>
251: <p>
252:
253: <li id="p015_rpki">
254: <strong>015: SECURITY FIX: July 27, 2020</strong>
255: <i>All architectures</i>
256: <br>
257: In rpki-client, incorrect use of EVP_PKEY_cmp allows an authentication bypass.
258: <br>
259: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/015_rpki.patch.sig">
260: A source code patch exists which remedies this problem.</a>
261: <p>
262:
1.17 tj 263: <li id="p016_ximcp">
264: <strong>016: SECURITY FIX: July 31, 2020</strong>
265: <i>All architectures</i>
266: <br>
267: Malformed messages can cause heap corruption in the X Input Method
268: client implementation in libX11.
269: <br>
270: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/016_ximcp.patch.sig">
271: A source code patch exists which remedies this problem.</a>
272: <p>
273:
274: <li id="p017_dix">
275: <strong>017: SECURITY FIX: July 31, 2020</strong>
276: <i>All architectures</i>
277: <br>
278: Pixmaps inside the xserver were an info leak.
279: <br>
280: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/017_dix.patch.sig">
281: A source code patch exists which remedies this problem.</a>
282: <p>
283:
1.18 tj 284: <li id="p018_ximcp">
285: <strong>018: RELIABILITY FIX: August 7, 2020</strong>
286: <i>All architectures</i>
287: <br>
288: The recent security errata 016 broke X11 input methods.
289: <br>
290: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/018_ximcp.patch.sig">
291: A source code patch exists which remedies this problem.</a>
292: <p>
293:
1.19 tj 294: <li id="p019_libssl">
295: <strong>019: RELIABILITY FIX: August 11, 2020</strong>
296: <i>All architectures</i>
297: <br>
298: The TLSv1.3 client could hang, crash, leak memory or not interoperate with
299: some TLSv1.3 servers.
300: <br>
301: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/019_libssl.patch.sig">
302: A source code patch exists which remedies this problem.</a>
303: <p>
304:
1.20 tj 305: <li id="p020_libssl">
306: <strong>020: RELIABILITY FIX: August 18, 2020</strong>
307: <i>All architectures</i>
308: <br>
309: The previous errata patch 019 broke bidirectional SSL_shutdown.
310: <br>
1.21 tj 311: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/020_libssl.patch.sig">
1.20 tj 312: A source code patch exists which remedies this problem.</a>
313: <p>
314:
1.22 tj 315: <li id="p021_xinitom">
316: <strong>021: SECURITY FIX: August 25, 2020</strong>
317: <i>All architectures</i>
318: <br>
319: An integer overflow in libX11 could lead to a double free.
320: Additionally fix a regression in ximcp.
321: <br>
322: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/021_xinitom.patch.sig">
323: A source code patch exists which remedies this problem.</a>
1.29 tb 324: <p>
1.22 tj 325:
326: <li id="p022_xserverlen">
327: <strong>022: SECURITY FIX: August 25, 2020</strong>
328: <i>All architectures</i>
329: <br>
330: Various X server extensions had deficient input validation.
331: <br>
332: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/022_xserverlen.patch.sig">
333: A source code patch exists which remedies this problem.</a>
334: <p>
335:
1.23 tj 336: <li id="p023_amdgpu">
337: <strong>023: SECURITY FIX: September 5, 2020</strong>
338: <i>amd64, arm64</i>
339: <br>
340: A buffer overflow was discovered in an amdgpu ioctl.
341: <br>
342: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/023_amdgpu.patch.sig">
343: A source code patch exists which remedies this problem.</a>
344: <p>
345:
1.25 tj 346: <li id="p024_mmap">
347: <strong>024: RELIABILITY FIX: October 6, 2020</strong>
348: <i>All architectures</i>
349: <br>
350: mmap can exhaust kernel memory for PROT_NONE MAP_SHARED mappings.
351: <br>
352: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/024_mmap.patch.sig">
353: A source code patch exists which remedies this problem.</a>
354: <p>
355:
1.26 tj 356: <li id="p025_bgpd">
357: <strong>025: RELIABILITY FIX: October 29, 2020</strong>
358: <i>All architectures</i>
359: <br>
360: In bgpd, the roa-set parser could leak memory.
361: <br>
362: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/025_bgpd.patch.sig">
363: A source code patch exists which remedies this problem.</a>
364: <p>
365:
1.27 tb 366: <li id="p026_icmp6">
367: <strong>026: SECURITY FIX: October 29, 2020</strong>
368: <i>All architectures</i>
369: <br>
370: When generating the ICMP6 response to an IPv6 packet, the kernel
371: could use mbuf memory after freeing it.
372: <br>
373: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/026_icmp6.patch.sig">
374: A source code patch exists which remedies this problem.</a>
375: <p>
376:
1.28 tb 377: <li id="p027_tmux">
378: <strong>027: SECURITY FIX: October 29, 2020</strong>
379: <i>All architectures</i>
380: <br>
381: tmux has a stack overflow in CSI parsing.
382: <br>
383: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/027_tmux.patch.sig">
384: A source code patch exists which remedies this problem.</a>
1.29 tb 385: <p>
386:
387: <li id="p028_unwind">
388: <strong>028: RELIABILITY FIX: November 10, 2020</strong>
389: <i>All architectures</i>
390: <br>
391: unwind fails to process large DNS replies.
392: <br>
393: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/028_unwind.patch.sig">
394: A source code patch exists which remedies this problem.</a>
395: <p>
396:
397: <li id="p029_rpki">
398: <strong>029: RELIABILITY FIX: November 10, 2020</strong>
399: <i>All architectures</i>
400: <br>
401: rpki-client incorrectly checks the manifest validity interval.
402: <br>
403: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/029_rpki.patch.sig">
404: A source code patch exists which remedies this problem.</a>
405: <p>
1.28 tb 406:
1.30 tb 407: <li id="p030_xmaplen">
408: <strong>030: SECURITY FIX: December 1, 2020</strong>
409: <i>All architectures</i>
410: <br>
411: Multiple input validation failures in the X server XKB extension can lead
412: to out of bounds memory accesses for authorized clients.
413: <br>
414: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/030_xmaplen.patch.sig">
415: A source code patch exists which remedies this problem.</a>
416: <p>
417:
1.31 tb 418: <li id="p031_asn1">
419: <strong>031: SECURITY FIX: December 8, 2020</strong>
420: <i>All architectures</i>
421: <br>
422: Malformed ASN.1 in a certificate revocation list or a timestamp
423: response token can lead to a NULL pointer dereference.
424: <br>
425: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/031_asn1.patch.sig">
426: A source code patch exists which remedies this problem.</a>
427: <p>
428:
429: <li id="p032_exit">
430: <strong>032: RELIABILITY FIX: December 8, 2020</strong>
431: <i>All architectures</i>
432: <br>
433: Process exit in multithreaded programs could result in the wrong exit
434: code being reported.
435: <br>
436: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/032_exit.patch.sig">
437: A source code patch exists which remedies this problem.</a>
438: <p>
439:
1.32 tb 440: <li id="p033_smtpd">
441: <strong>033: RELIABILITY FIX: December 24, 2020</strong>
442: <i>All architectures</i>
443: <br>
444: smtpd's filter state machine can prematurely release resources
445: leading to a crash.
446: <br>
447: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/033_smtpd.patch.sig">
448: A source code patch exists which remedies this problem.</a>
449: <p>
450:
1.33 benno 451: <li id="p034_nd6">
452: <strong>034: RELIABILITY FIX: January 11, 2021</strong>
453: <i>All architectures</i>
454: <br>
455: When an NDP entry is invalidated the associated layer 2 address
456: is not invalidated.
457: <br>
458: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/034_nd6.patch.sig">
459: A source code patch exists which remedies this problem.</a>
460: <p>
461:
1.34 bluhm 462: <li id="p035_pffrag">
1.35 patrick 463: <strong>035: SECURITY FIX: February 24, 2021</strong>
1.34 bluhm 464: <i>All architectures</i>
465: <br>
466: A sequence of overlapping IPv4 fragments could crash the kernel in
467: pf due to an assertion.
468: <br>
469: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/035_pffrag.patch.sig">
470: A source code patch exists which remedies this problem.</a>
471: <p>
472:
1.36 bluhm 473: <li id="p036_sshagent">
474: <strong>036: SECURITY FIX: March 4, 2021</strong>
475: <i>All architectures</i>
476: <br>
477: Double free in ssh-agent(1)
478: <br>
479: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/036_sshagent.patch.sig">
480: A source code patch exists which remedies this problem.</a>
481: <p>
482:
1.37 bluhm 483: <li id="p037_npppd">
484: <strong>037: SECURITY FIX: March 9, 2021</strong>
485: <i>All architectures</i>
486: <br>
487: npppd PPTP protocol handler can cause heap over-read leading to a crash.
488: <br>
489: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/037_npppd.patch.sig">
490: A source code patch exists which remedies this problem.</a>
491: <p>
492:
1.39 bluhm 493: <li id="p038_xi">
494: <strong>038: SECURITY FIX: April 13, 2021</strong>
495: <i>All architectures</i>
496: <br>
497: Input validation failures in X server XInput extension can lead to
498: privileges elevations for authorized clients.
499: <br>
500: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/038_xi.patch.sig">
501: A source code patch exists which remedies this problem.</a>
502: <p>
503:
1.1 deraadt 504: </ul>
505:
506: <hr>
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