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18: <i>Open</i><b>BSD</b></a>
19: 7.4 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>,
73: <a href="errata67.html">6.7</a>,
74: <br>
75: <a href="errata68.html">6.8</a>,
76: <a href="errata69.html">6.9</a>,
77: <a href="errata70.html">7.0</a>,
78: <a href="errata71.html">7.1</a>,
79: <a href="errata72.html">7.2</a>,
1.11 tj 80: <a href="errata73.html">7.3</a>,
81: <a href="errata75.html">7.5</a>.
1.1 tj 82: <hr>
83:
84: <p>
85: Patches for the OpenBSD base system are distributed as unified diffs.
86: Each patch is cryptographically signed with the
87: <a href="https://man.openbsd.org/OpenBSD-7.4/signify.1">signify(1)</a> tool and contains
88: usage instructions.
89: All the following patches are also available in one
90: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/7.4.tar.gz">tar.gz file</a>
91: for convenience.
92:
93: <p>
94: Alternatively, the <a href="https://man.openbsd.org/syspatch">syspatch(8)</a>
95: utility can be used to apply binary updates on the following architectures:
96: amd64, i386, arm64.
97:
98: <p>
99: Patches for supported releases are also incorporated into the
1.11 tj 100: <a href="stable.html">-stable branch</a>.
1.1 tj 101:
102: <hr>
103:
104: <ul>
105:
1.2 bluhm 106: <li id="p001_xserver">
107: <strong>001: SECURITY FIX: October 25, 2023</strong>
108: <i>All architectures</i>
109: <br>
110: Fix several input validation errors in the X server.
111: CVE-2023-5367 CVE-2023-5380 CVE-2023-5574
112: <br>
113: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/7.4/common/001_xserver.patch.sig">
114: A source code patch exists which remedies this problem.</a>
115: <p>
116:
117: <li id="p002_msplit">
118: <strong>002: SECURITY FIX: October 25, 2023</strong>
119: <i>All architectures</i>
120: <br>
121: A network buffer that had to be split at certain length could crash
122: the kernel.
123: <br>
124: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/7.4/common/002_msplit.patch.sig">
125: A source code patch exists which remedies this problem.</a>
126: <p>
1.1 tj 127:
1.3 bluhm 128: <li id="p003_patch">
129: <strong>003: RELIABILITY FIX: November 21, 2023</strong>
130: <i>All architectures</i>
131: <br>
132: patch(1) with explicit patchfile did not work in 7.4 due to overeager
133: unveil(2) restrictions.
134: <br>
135: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/7.4/common/003_patch.patch.sig">
136: A source code patch exists which remedies this problem.</a>
137: <p>
138:
139: <li id="p004_ospfd">
140: <strong>004: RELIABILITY FIX: November 21, 2023</strong>
141: <i>All architectures</i>
142: <br>
143: Simple passwords which were 8 characters long caused ospfd(8) to
144: send out packets with invalid checksum.
145: <br>
146: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/7.4/common/004_ospfd.patch.sig">
147: A source code patch exists which remedies this problem.</a>
148: <p>
149:
150: <li id="p005_tmux">
151: <strong>005: RELIABILITY FIX: November 21, 2023</strong>
152: <i>All architectures</i>
153: <br>
154: Overlong sequences of UTF-8 combining characters could crash tmux(1).
155: <br>
156: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/7.4/common/005_tmux.patch.sig">
157: A source code patch exists which remedies this problem.</a>
158: <p>
159:
160: <li id="p006_httpd">
161: <strong>006: RELIABILITY FIX: November 21, 2023</strong>
162: <i>All architectures</i>
163: <br>
164: httpd(8): Avoid a NULL dereference when handling a malformed fastcgi request.
165: <br>
166: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/7.4/common/006_httpd.patch.sig">
167: A source code patch exists which remedies this problem.</a>
168: <p>
169:
1.4 bluhm 170: <li id="p007_perl">
171: <strong>007: SECURITY FIX: November 29, 2023</strong>
172: <i>All architectures</i>
173: <br>
174: A crafted regular expression when compiled by perl can cause a
175: one-byte attacker controlled buffer overflow in a heap allocated
176: buffer. CVE-2023-47038
177: <br>
178: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/7.4/common/007_perl.patch.sig">
179: A source code patch exists which remedies this problem.</a>
180: <p>
181:
1.5 mlarkin 182: <li id="p008_vmm">
183: <strong>008: RELIABILITY FIX: December 10, 2023</strong>
184: <i>amd64</i>
185: <br>
186: vmm(4) restored stale GDTR & TR values on vm exit which could lead to
187: memory corruption or kernel deadlocks.
188: <br>
189: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/7.4/common/008_vmm.patch.sig">
190: A source code patch exists which remedies this problem.</a>
191: <p>
192:
193: <li id="p009_pf">
194: <strong>009: RELIABILITY FIX: December 10, 2023</strong>
195: <i>All architectures</i>
196: <br>
197: A race condition between pf(4)'s processing of packets and expiration of
198: packet states may cause a kernel panic.
199: <br>
200: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/7.4/common/009_pf.patch.sig">
201: A source code patch exists which remedies this problem.</a>
202: <p>
203:
1.6 bluhm 204: <li id="p010_xserver">
205: <strong>010: SECURITY FIX: December 14, 2023</strong>
206: <i>All architectures</i>
207: <br>
208: Fix out of bounds memory accesses in XRandR and XKB X server extensions.
209: CVE-2023-6377 CVE-2023-6478
210: <br>
211: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/7.4/common/010_xserver.patch.sig">
212: A source code patch exists which remedies this problem.</a>
213: <p>
214:
1.7 bluhm 215: <li id="p011_ssh">
216: <strong>011: SECURITY FIX: December 18, 2023</strong>
217: <i>All architectures</i>
218: <br>
219: An SSH protocol weakness (the Terrapin Attack) exists that allows an
220: on-path adversary to disable keystroke timing obfuscation.
221: <br>
222: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/7.4/common/011_ssh.patch.sig">
223: A source code patch exists which remedies this problem.</a>
224: <p>
225:
1.8 mlarkin 226: <li id="p012_xserver">
227: <strong>012: SECURITY FIX: January 16, 2024</strong>
228: <i>All architectures</i>
229: <br>
230: Fix multiple xserver heap buffer overflows, out of bounds memory accesses and
231: memory corruption.
232: CVE-2023-6816 CVE-2024-0229 CVE-2024-21885 CVE-2024-21886
233: CVE-2024-0408 CVE-2024-0409
234: <br>
235: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/7.4/common/012_xserver.patch.sig">
236: A source code patch exists which remedies this problem.</a>
237: <p>
238:
1.9 bluhm 239: <li id="p013_unbound">
240: <strong>013: SECURITY FIX: February 13, 2024</strong>
241: <i>All architectures</i>
242: <br>
243: DNSSEC protocol vulnerabilities have been discovered that render
244: various DNSSEC validators victims of Denial Of Service while trying
245: to validate specially crafted DNSSEC responses.
246: Fix CVE-2023-50387 and CVE-2023-50868 in unwind(8) and unbound(8).
247: <br>
248: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/7.4/common/013_unbound.patch.sig">
249: A source code patch exists which remedies this problem.</a>
250: <p>
251:
1.10 bluhm 252: <li id="p014_vmm">
253: <strong>014: SECURITY FIX: February 29, 2024</strong>
254: <i>amd64</i>
255: <br>
256: vmm(4) did not restore GDTR limits properly on Intel (VMX) CPUs.
257: <br>
258: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/7.4/common/014_vmm.patch.sig">
259: A source code patch exists which remedies this problem.</a>
260: <p>
261:
1.12 ! bluhm 262: <li id="p015_expat">
! 263: <strong>015: SECURITY FIX: March 18, 2024</strong>
! 264: <i>All architectures</i>
! 265: <br>
! 266: In libexpat fix billion laughs attack vulnerability CVE-2024-28757.
! 267: <br>
! 268: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/7.4/common/015_expat.patch.sig">
! 269: A source code patch exists which remedies this problem.</a>
! 270: <p>
! 271:
1.1 tj 272: </ul>
273:
274: <hr>
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