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18: <i>Open</i><b>BSD</b></a>
19: 6.8 Errata
20: </h2>
21: <hr>
22:
23: For errata on a certain release, click below:<br>
24: <a href="errata20.html">2.0</a>,
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: <br>
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>,
57: <br>
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>,
72: <a href="errata66.html">6.6</a>,
1.18 deraadt 73: <a href="errata67.html">6.7</a>,
1.20 ! tj 74: <br>
1.18 deraadt 75: <a href="errata69.html">6.9</a>.
1.1 deraadt 76: <hr>
77:
78: <p>
79: Patches for the OpenBSD base system are distributed as unified diffs.
80: Each patch is cryptographically signed with the
81: <a href="https://man.openbsd.org/OpenBSD-6.8/signify.1">signify(1)</a> tool and contains
82: usage instructions.
83: All the following patches are also available in one
84: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.8.tar.gz">tar.gz file</a>
85: for convenience.
86:
87: <p>
88: Alternatively, the <a href="https://man.openbsd.org/syspatch">syspatch(8)</a>
89: utility can be used to apply binary updates on the following architectures:
90: amd64, i386, arm64.
91:
92: <p>
93: Patches for supported releases are also incorporated into the
94: <a href="stable.html">-stable branch</a>, which is maintained for one year
95: after release.
96:
97: <hr>
98:
99: <ul>
100:
1.2 tj 101: <li id="p001_bgpd">
102: <strong>001: RELIABILITY FIX: October 29, 2020</strong>
103: <i>All architectures</i>
104: <br>
105: In bgpd, the roa-set parser could leak memory.
106: <br>
107: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.8/common/001_bgpd.patch.sig">
108: A source code patch exists which remedies this problem.</a>
109: <p>
1.1 deraadt 110:
1.3 tb 111: <li id="p002_icmp6">
112: <strong>002: SECURITY FIX: October 29, 2020</strong>
113: <i>All architectures</i>
114: <br>
115: When generating the ICMP6 response to an IPv6 packet, the kernel
116: could use mbuf memory after freeing it.
117: <br>
118: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.8/common/002_icmp6.patch.sig">
119: A source code patch exists which remedies this problem.</a>
120: <p>
121:
1.4 tb 122: <li id="p003_tmux">
123: <strong>003: SECURITY FIX: October 29, 2020</strong>
124: <i>All architectures</i>
125: <br>
126: tmux has a stack overflow in CSI parsing.
127: <br>
1.5 tb 128: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.8/common/003_tmux.patch.sig">
1.4 tb 129: A source code patch exists which remedies this problem.</a>
130: <p>
131:
1.6 tb 132: <li id="p004_wg">
133: <strong>004: RELIABILITY FIX: November 05, 2020</strong>
134: <i>All architectures</i>
135: <br>
136: wg(4) could panic the kernel by releasing the wrong lock.
137: <br>
138: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.8/common/004_wg.patch.sig">
1.7 tb 139: A source code patch exists which remedies this problem.</a>
140: <p>
141:
142: <li id="p005_unwind">
143: <strong>005: RELIABILITY FIX: November 10, 2020</strong>
144: <i>All architectures</i>
145: <br>
146: unwind fails to process large DNS replies.
147: <br>
148: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.8/common/005_unwind.patch.sig">
149: A source code patch exists which remedies this problem.</a>
150: <p>
151:
152: <li id="p006_rpki">
153: <strong>006: RELIABILITY FIX: November 10, 2020</strong>
154: <i>All architectures</i>
155: <br>
156: rpki-client incorrectly checks the manifest validity interval.
157: <br>
158: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.8/common/006_rpki.patch.sig">
1.6 tb 159: A source code patch exists which remedies this problem.</a>
160: <p>
161:
1.8 tb 162: <li id="p007_xmaplen">
163: <strong>007: SECURITY FIX: December 1, 2020</strong>
164: <i>All architectures</i>
165: <br>
166: Multiple input validation failures in the X server XKB extension can lead
167: to out of bounds memory accesses for authorized clients.
168: <br>
169: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.8/common/007_xmaplen.patch.sig">
170: A source code patch exists which remedies this problem.</a>
171: <p>
172:
1.9 tb 173: <li id="p008_xmaplen">
174: <strong>008: SECURITY FIX: December 8, 2020</strong>
175: <i>All architectures</i>
176: <br>
177: Malformed ASN.1 in a certificate revocation list or a timestamp
178: response token can lead to a NULL pointer dereference.
179: <br>
180: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.8/common/008_asn1.patch.sig">
181: A source code patch exists which remedies this problem.</a>
182: <p>
183:
184: <li id="p009_exit">
185: <strong>009: RELIABILITY FIX: December 8, 2020</strong>
186: <i>All architectures</i>
187: <br>
188: Process exit in multithreaded programs could result in the wrong exit
189: code being reported.
190: <br>
191: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.8/common/009_exit.patch.sig">
192: A source code patch exists which remedies this problem.</a>
193: <p>
194:
1.10 tb 195: <li id="p010_smtpd">
196: <strong>010: RELIABILITY FIX: December 24, 2020</strong>
197: <i>All architectures</i>
198: <br>
199: smtpd's filter state machine can prematurely release resources
200: leading to a crash.
201: <br>
202: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.8/common/010_smtpd.patch.sig">
203: A source code patch exists which remedies this problem.</a>
204: <p>
205:
1.11 benno 206: <li id="p011_nd6">
207: <strong>011: RELIABILITY FIX: January 11, 2021</strong>
208: <i>All architectures</i>
209: <br>
210: When an NDP entry is invalidated the associated layer 2 address
211: is not invalidated.
212: <br>
213: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.8/common/011_nd6.patch.sig">
214: A source code patch exists which remedies this problem.</a>
215: <p>
216:
1.12 benno 217: <li id="p012_carp">
218: <strong>012: RELIABILITY FIX: January 13, 2021</strong>
219: <i>All architectures</i>
220: <br>
221: Use of bpf(4) on a carp interface could result in a use after free
222: error.<br>
223: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.8/common/012_carp.patch.sig">
224: A source code patch exists which remedies this problem.</a>
225: <p>
226:
1.13 tb 227: <li id="p013_libressl">
228: <strong>013: RELIABILITY FIX: February 3, 2021</strong>
229: <i>All architectures</i>
230: <br>
231: Various interoperability issues and memory leaks were discovered in
232: libcrypto and libssl.
233: <br>
234: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.8/common/013_libressl.patch.sig">
235: A source code patch exists which remedies this problem.</a>
236: <p>
237:
1.14 bluhm 238: <li id="p014_pffrag">
239: <strong>014: SECURITY FIX: February 24, 2021</strong>
240: <i>All architectures</i>
241: <br>
242: A sequence of overlapping IPv4 fragments could crash the kernel in
243: pf due to an assertion.
244: <br>
245: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.8/common/014_pffrag.patch.sig">
246: A source code patch exists which remedies this problem.</a>
247: <p>
248:
1.15 bluhm 249: <li id="p015_sshagent">
250: <strong>015: SECURITY FIX: March 4, 2021</strong>
251: <i>All architectures</i>
252: <br>
253: Double free in ssh-agent(1)
254: <br>
255: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.8/common/015_sshagent.patch.sig">
256: A source code patch exists which remedies this problem.</a>
257: <p>
258:
1.16 bluhm 259: <li id="p016_npppd">
260: <strong>016: SECURITY FIX: March 9, 2021</strong>
261: <i>All architectures</i>
262: <br>
263: npppd PPTP protocol handler can cause heap over-read leading to a crash.
264: <br>
265: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.8/common/016_npppd.patch.sig">
266: A source code patch exists which remedies this problem.</a>
267: <p>
268:
1.17 tb 269: <li id="p017_libssl">
270: <strong>017: SECURITY FIX: March 15, 2021</strong>
271: <i>All architectures</i>
272: <br>
273: A TLS client using session resumption may cause a use-after-free.
274: <br>
275: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.8/common/017_libssl.patch.sig">
276: A source code patch exists which remedies this problem.</a>
277: <p>
278:
1.19 bluhm 279: <li id="p018_xi">
280: <strong>018: SECURITY FIX: April 13, 2021</strong>
281: <i>All architectures</i>
282: <br>
283: Input validation failures in X server XInput extension can lead to
284: privileges elevations for authorized clients.
285: <br>
286: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.8/common/018_xi.patch.sig">
287: A source code patch exists which remedies this problem.</a>
288: <p>
289:
1.1 deraadt 290: </ul>
291:
292: <hr>
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