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1.5 bentley 16: <h2 id=OpenBSD>
1.1 deraadt 17: <a href="index.html">
1.5 bentley 18: <i>Open</i><b>BSD</b></a>
19: 6.5 Errata
1.1 deraadt 20: </h2>
21: <hr>
22:
23: For errata on a certain release, click below:<br>
24: <a href="errata21.html">2.1</a>,
25: <a href="errata22.html">2.2</a>,
26: <a href="errata23.html">2.3</a>,
27: <a href="errata24.html">2.4</a>,
28: <a href="errata25.html">2.5</a>,
29: <a href="errata26.html">2.6</a>,
30: <a href="errata27.html">2.7</a>,
31: <a href="errata28.html">2.8</a>,
32: <a href="errata29.html">2.9</a>,
33: <a href="errata30.html">3.0</a>,
34: <a href="errata31.html">3.1</a>,
35: <a href="errata32.html">3.2</a>,
36: <a href="errata33.html">3.3</a>,
37: <a href="errata34.html">3.4</a>,
38: <a href="errata35.html">3.5</a>,
39: <a href="errata36.html">3.6</a>,
40: <br>
41: <a href="errata37.html">3.7</a>,
42: <a href="errata38.html">3.8</a>,
43: <a href="errata39.html">3.9</a>,
44: <a href="errata40.html">4.0</a>,
45: <a href="errata41.html">4.1</a>,
46: <a href="errata42.html">4.2</a>,
47: <a href="errata43.html">4.3</a>,
48: <a href="errata44.html">4.4</a>,
49: <a href="errata45.html">4.5</a>,
50: <a href="errata46.html">4.6</a>,
51: <a href="errata47.html">4.7</a>,
52: <a href="errata48.html">4.8</a>,
53: <a href="errata49.html">4.9</a>,
54: <a href="errata50.html">5.0</a>,
55: <a href="errata51.html">5.1</a>,
56: <a href="errata52.html">5.2</a>,
57: <br>
58: <a href="errata53.html">5.3</a>,
59: <a href="errata54.html">5.4</a>,
60: <a href="errata55.html">5.5</a>,
61: <a href="errata56.html">5.6</a>,
62: <a href="errata57.html">5.7</a>,
63: <a href="errata58.html">5.8</a>,
64: <a href="errata59.html">5.9</a>,
65: <a href="errata60.html">6.0</a>,
66: <a href="errata61.html">6.1</a>,
67: <a href="errata62.html">6.2</a>,
68: <a href="errata63.html">6.3</a>,
69: <a href="errata64.html">6.4</a>.
70: <hr>
71:
72: <p>
73: Patches for the OpenBSD base system are distributed as unified diffs.
74: Each patch is cryptographically signed with the
75: <a href="https://man.openbsd.org/OpenBSD-6.5/signify.1">signify(1)</a> tool and contains
76: usage instructions.
77: All the following patches are also available in one
78: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.5.tar.gz">tar.gz file</a>
79: for convenience.
80:
81: <p>
82: Alternatively, the <a href="https://man.openbsd.org/syspatch">syspatch(8)</a>
83: utility can be used to apply binary updates on the following architectures:
84: amd64, i386, arm64.
85:
86: <p>
87: Patches for supported releases are also incorporated into the
88: <a href="stable.html">-stable branch</a>, which is maintained for one year
89: after release.
90:
91: <hr>
92:
93: <ul>
94:
1.2 tj 95: <li id="p001_rip6cksum">
1.5 bentley 96: <strong>001: RELIABILITY FIX: May 3, 2019</strong>
1.2 tj 97: <i>All architectures</i>
98: <br>
99: If a userland program sets the IPv6 checksum offset on a raw socket,
100: an incoming packet could crash the kernel. ospf6d is such a program.
101: <br>
1.3 tj 102: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.5/common/001_rip6cksum.patch.sig">
1.2 tj 103: A source code patch exists which remedies this problem.</a>
104: <p>
1.1 deraadt 105:
1.4 tj 106: <li id="p002_srtp">
1.5 bentley 107: <strong>002: RELIABILITY FIX: May 16, 2019</strong>
1.4 tj 108: <i>All architectures</i>
109: <br>
110: LibreSSL servers did not provide an SRTP profile, so DTLS negotiation failed.
111: <br>
112: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.5/common/002_srtp.patch.sig">
113: A source code patch exists which remedies this problem.</a>
114: <p>
115:
1.6 tj 116: <li id="p003_mds">
117: <strong>003: SECURITY FIX: May 29, 2019</strong>
118: <i>amd64</i>
119: <br>
120: Intel CPUs have a cross privilege side-channel attack (MDS).
121: <br>
122: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.5/common/003_mds.patch.sig">
123: A source code patch exists which remedies this problem.</a>
124: <p>
125:
1.7 tj 126: <li id="p004_bgpd">
127: <strong>004: RELIABILITY FIX: June 10, 2019</strong>
128: <i>All architectures</i>
129: <br>
130: Several issues were corrected in bgpd: "network" statements with no fixed
131: prefix were incorrectly removed when configuration was reloaded, "export
132: default-route" did not work, and "network 0.0.0.0/0" could not be used
133: in some cases.
134: <br>
135: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.5/common/004_bgpd.patch.sig">
136: A source code patch exists which remedies these problems.</a>
137: <p>
138:
139: <li id="p005_libssl">
140: <strong>005: RELIABILITY FIX: June 10, 2019</strong>
141: <i>All architectures</i>
142: <br>
143: TLS handshakes fail if a client supporting TLS 1.3 tries to connect to
144: an OpenBSD server and sends a key share extension that does not include
145: X25519.
146: <br>
147: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.5/common/005_libssl.patch.sig">
148: A source code patch exists which remedies this problem.</a>
149: <p>
150:
1.8 ! tj 151: <li id="p006_tcpsack">
! 152: <strong>006: RELIABILITY FIX: July 25, 2019</strong>
! 153: <i>All architectures</i>
! 154: <br>
! 155: By creating long chains of TCP SACK holes, an attacker could possibly
! 156: slow down the system temporarily.
! 157: <br>
! 158: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.5/common/006_tcpsack.patch.sig">
! 159: A source code patch exists which remedies this problem.</a>
! 160: <p>
! 161:
1.1 deraadt 162: </ul>
163:
164: <hr>
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