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Release npppd errata.
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<h2 id=OpenBSD>
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<i>Open</i><b>BSD</b></a>
6.8 Errata
</h2>
<hr>
For errata on a certain release, click below:<br>
<a href="errata20.html">2.0</a>,
<a href="errata21.html">2.1</a>,
<a href="errata22.html">2.2</a>,
<a href="errata23.html">2.3</a>,
<a href="errata24.html">2.4</a>,
<a href="errata25.html">2.5</a>,
<a href="errata26.html">2.6</a>,
<a href="errata27.html">2.7</a>,
<a href="errata28.html">2.8</a>,
<a href="errata29.html">2.9</a>,
<a href="errata30.html">3.0</a>,
<a href="errata31.html">3.1</a>,
<a href="errata32.html">3.2</a>,
<a href="errata33.html">3.3</a>,
<a href="errata34.html">3.4</a>,
<a href="errata35.html">3.5</a>,
<br>
<a href="errata36.html">3.6</a>,
<a href="errata37.html">3.7</a>,
<a href="errata38.html">3.8</a>,
<a href="errata39.html">3.9</a>,
<a href="errata40.html">4.0</a>,
<a href="errata41.html">4.1</a>,
<a href="errata42.html">4.2</a>,
<a href="errata43.html">4.3</a>,
<a href="errata44.html">4.4</a>,
<a href="errata45.html">4.5</a>,
<a href="errata46.html">4.6</a>,
<a href="errata47.html">4.7</a>,
<a href="errata48.html">4.8</a>,
<a href="errata49.html">4.9</a>,
<a href="errata50.html">5.0</a>,
<a href="errata51.html">5.1</a>,
<br>
<a href="errata52.html">5.2</a>,
<a href="errata53.html">5.3</a>,
<a href="errata54.html">5.4</a>,
<a href="errata55.html">5.5</a>,
<a href="errata56.html">5.6</a>,
<a href="errata57.html">5.7</a>,
<a href="errata58.html">5.8</a>,
<a href="errata59.html">5.9</a>,
<a href="errata60.html">6.0</a>,
<a href="errata61.html">6.1</a>,
<a href="errata62.html">6.2</a>,
<a href="errata63.html">6.3</a>,
<a href="errata64.html">6.4</a>,
<a href="errata65.html">6.5</a>,
<a href="errata66.html">6.6</a>,
<a href="errata67.html">6.7</a>.
<hr>
<p>
Patches for the OpenBSD base system are distributed as unified diffs.
Each patch is cryptographically signed with the
<a href="https://man.openbsd.org/OpenBSD-6.8/signify.1">signify(1)</a> tool and contains
usage instructions.
All the following patches are also available in one
<a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.8.tar.gz">tar.gz file</a>
for convenience.
<p>
Alternatively, the <a href="https://man.openbsd.org/syspatch">syspatch(8)</a>
utility can be used to apply binary updates on the following architectures:
amd64, i386, arm64.
<p>
Patches for supported releases are also incorporated into the
<a href="stable.html">-stable branch</a>, which is maintained for one year
after release.
<hr>
<ul>
<li id="p001_bgpd">
<strong>001: RELIABILITY FIX: October 29, 2020</strong>
<i>All architectures</i>
<br>
In bgpd, the roa-set parser could leak memory.
<br>
<a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.8/common/001_bgpd.patch.sig">
A source code patch exists which remedies this problem.</a>
<p>
<li id="p002_icmp6">
<strong>002: SECURITY FIX: October 29, 2020</strong>
<i>All architectures</i>
<br>
When generating the ICMP6 response to an IPv6 packet, the kernel
could use mbuf memory after freeing it.
<br>
<a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.8/common/002_icmp6.patch.sig">
A source code patch exists which remedies this problem.</a>
<p>
<li id="p003_tmux">
<strong>003: SECURITY FIX: October 29, 2020</strong>
<i>All architectures</i>
<br>
tmux has a stack overflow in CSI parsing.
<br>
<a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.8/common/003_tmux.patch.sig">
A source code patch exists which remedies this problem.</a>
<p>
<li id="p004_wg">
<strong>004: RELIABILITY FIX: November 05, 2020</strong>
<i>All architectures</i>
<br>
wg(4) could panic the kernel by releasing the wrong lock.
<br>
<a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.8/common/004_wg.patch.sig">
A source code patch exists which remedies this problem.</a>
<p>
<li id="p005_unwind">
<strong>005: RELIABILITY FIX: November 10, 2020</strong>
<i>All architectures</i>
<br>
unwind fails to process large DNS replies.
<br>
<a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.8/common/005_unwind.patch.sig">
A source code patch exists which remedies this problem.</a>
<p>
<li id="p006_rpki">
<strong>006: RELIABILITY FIX: November 10, 2020</strong>
<i>All architectures</i>
<br>
rpki-client incorrectly checks the manifest validity interval.
<br>
<a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.8/common/006_rpki.patch.sig">
A source code patch exists which remedies this problem.</a>
<p>
<li id="p007_xmaplen">
<strong>007: SECURITY FIX: December 1, 2020</strong>
<i>All architectures</i>
<br>
Multiple input validation failures in the X server XKB extension can lead
to out of bounds memory accesses for authorized clients.
<br>
<a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.8/common/007_xmaplen.patch.sig">
A source code patch exists which remedies this problem.</a>
<p>
<li id="p008_xmaplen">
<strong>008: SECURITY FIX: December 8, 2020</strong>
<i>All architectures</i>
<br>
Malformed ASN.1 in a certificate revocation list or a timestamp
response token can lead to a NULL pointer dereference.
<br>
<a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.8/common/008_asn1.patch.sig">
A source code patch exists which remedies this problem.</a>
<p>
<li id="p009_exit">
<strong>009: RELIABILITY FIX: December 8, 2020</strong>
<i>All architectures</i>
<br>
Process exit in multithreaded programs could result in the wrong exit
code being reported.
<br>
<a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.8/common/009_exit.patch.sig">
A source code patch exists which remedies this problem.</a>
<p>
<li id="p010_smtpd">
<strong>010: RELIABILITY FIX: December 24, 2020</strong>
<i>All architectures</i>
<br>
smtpd's filter state machine can prematurely release resources
leading to a crash.
<br>
<a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.8/common/010_smtpd.patch.sig">
A source code patch exists which remedies this problem.</a>
<p>
<li id="p011_nd6">
<strong>011: RELIABILITY FIX: January 11, 2021</strong>
<i>All architectures</i>
<br>
When an NDP entry is invalidated the associated layer 2 address
is not invalidated.
<br>
<a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.8/common/011_nd6.patch.sig">
A source code patch exists which remedies this problem.</a>
<p>
<li id="p012_carp">
<strong>012: RELIABILITY FIX: January 13, 2021</strong>
<i>All architectures</i>
<br>
Use of bpf(4) on a carp interface could result in a use after free
error.<br>
<a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.8/common/012_carp.patch.sig">
A source code patch exists which remedies this problem.</a>
<p>
<li id="p013_libressl">
<strong>013: RELIABILITY FIX: February 3, 2021</strong>
<i>All architectures</i>
<br>
Various interoperability issues and memory leaks were discovered in
libcrypto and libssl.
<br>
<a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.8/common/013_libressl.patch.sig">
A source code patch exists which remedies this problem.</a>
<p>
<li id="p014_pffrag">
<strong>014: SECURITY FIX: February 24, 2021</strong>
<i>All architectures</i>
<br>
A sequence of overlapping IPv4 fragments could crash the kernel in
pf due to an assertion.
<br>
<a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.8/common/014_pffrag.patch.sig">
A source code patch exists which remedies this problem.</a>
<p>
<li id="p015_sshagent">
<strong>015: SECURITY FIX: March 4, 2021</strong>
<i>All architectures</i>
<br>
Double free in ssh-agent(1)
<br>
<a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.8/common/015_sshagent.patch.sig">
A source code patch exists which remedies this problem.</a>
<p>
<li id="p016_npppd">
<strong>016: SECURITY FIX: March 9, 2021</strong>
<i>All architectures</i>
<br>
npppd PPTP protocol handler can cause heap over-read leading to a crash.
<br>
<a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.8/common/016_npppd.patch.sig">
A source code patch exists which remedies this problem.</a>
<p>
</ul>
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