CVE-2020-8955

NameCVE-2020-8955
Descriptionirc_mode_channel_update in plugins/irc/irc-mode.c in WeeChat through 2.7 allows remote attackers to cause a denial of service (buffer overflow and application crash) or possibly have unspecified other impact via a malformed IRC message 324 (channel mode).
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
ReferencesDLA-2157-1
NVD severityhigh
Debian Bugs951289

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
weechat (PTS)stretch1.6-1+deb9u2vulnerable
buster2.3-1vulnerable
bullseye, sid2.9-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
weechatsourcejessie1.0.1-1+deb8u3DLA-2157-1
weechatsource(unstable)2.7.1-1951289

Notes

[buster] - weechat <no-dsa> (Minor issue)
[stretch] - weechat <no-dsa> (Minor issue)
https://github.com/weechat/weechat/commit/6f4f147d8e86adf9ad34a8ffd7e7f1f23a7e74da

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