Critical severity9.8NVD Advisory· Published Feb 12, 2020· Updated Jun 17, 2026
CVE-2020-8955
CVE-2020-8955
Description
irc_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).
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
15cpe:2.3:a:opensuse:backports_sle:15.0:-:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:opensuse:backports_sle:15.0:-:*:*:*:*:*:*
- cpe:2.3:a:opensuse:backports_sle:15.0:sp1:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
- WeeChat/WeeChatdescription
- osv-coords4 versionspkg:rpm/opensuse/weechat&distro=openSUSE%20Leap%2015.1pkg:rpm/opensuse/weechat&distro=openSUSE%20Tumbleweedpkg:rpm/suse/weechat&distro=SUSE%20Package%20Hub%2015pkg:rpm/suse/weechat&distro=SUSE%20Package%20Hub%2015%20SP1
< 2.1-bp151.4.3.1+ 3 more
- (no CPE)range: < 2.1-bp151.4.3.1
- (no CPE)range: < 3.2-1.3
- (no CPE)range: < 2.1-bp151.4.3.1
- (no CPE)range: < 2.1-bp151.4.3.1
Patches
Vulnerability mechanics
References
9- github.com/weechat/weechat/commit/6f4f147d8e86adf9ad34a8ffd7e7f1f23a7e74danvdPatchThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2020-02/msg00032.htmlnvdMailing ListThird Party Advisory
- lists.debian.org/debian-lts-announce/2020/03/msg00031.htmlnvdMailing ListThird Party Advisory
- lists.debian.org/debian-lts-announce/2021/09/msg00018.htmlnvdMailing ListThird Party Advisory
- security.gentoo.org/glsa/202003-51nvdThird Party Advisory
- weechat.org/doc/security/nvdVendor Advisory
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4ASRTCQFFDAAK347URWNDH6NSED2BGNY/nvd
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ER23GT23US5JXDLUZAMGMWXKZ74MI4S2/nvd
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M3LAJTLI3LWZRNCFYJ7PCBBTHUMCCBHH/nvd
News mentions
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