CVE-2020-8955

critical

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).

References

Advisories
More

https://security.gentoo.org/glsa/202003-51

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M3LAJTLI3LWZRNCFYJ7PCBBTHUMCCBHH/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ER23GT23US5JXDLUZAMGMWXKZ74MI4S2/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4ASRTCQFFDAAK347URWNDH6NSED2BGNY/

https://lists.debian.org/debian-lts-announce/2021/09/msg00018.html

https://lists.debian.org/debian-lts-announce/2020/03/msg00031.html

https://github.com/weechat/weechat/commit/6f4f147d8e86adf9ad34a8ffd7e7f1f23a7e74da

http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00032.html

https://weechat.org/doc/security/

Details

Source: Mitre, NVD

Published: 2020-02-12

Updated: 2024-11-21

Risk Information

CVSS v2

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Severity: High

CVSS v3

Base Score: 9.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical

EPSS

EPSS: 0.0957