CVEvulnerability
CVE-2020-8955
9.8 CRITICAL
Official page ↗
- Status
- Modified
- Published
- 2020-02-12
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 7.5 HIGH — AV:N/AC:L/Au:N/C:P/I:P/A:P
- Weaknesses
- CWE-120
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).
Affected configurations
• weechat weechat (>= 0.3.8 <= 2.7)
• fedoraproject fedora 30
• fedoraproject fedora 31
• fedoraproject fedora 32
• opensuse backports sle 15.0
• opensuse leap 15.1
• debian debian linux 8.0
• debian debian linux 9.0
Related
Weakness · CWE (1)
- CWE-120 Buffer Copy without Checking Size of Input weakness
References
- http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00032.html Mailing List, Third Party Advisory
- https://github.com/weechat/weechat/commit/6f4f147d8e86adf9ad34a8ffd7e7f1f23a7e74da Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/03/msg00031.html Mailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/09/msg00018.html Mailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4ASRTCQFFDAAK347URWNDH6NSED2BGNY/ lists.fedoraproject.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ER23GT23US5JXDLUZAMGMWXKZ74MI4S2/ lists.fedoraproject.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M3LAJTLI3LWZRNCFYJ7PCBBTHUMCCBHH/ lists.fedoraproject.org
- https://security.gentoo.org/glsa/202003-51 Third Party Advisory
- https://weechat.org/doc/security/ Vendor Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00032.html Mailing List, Third Party Advisory
- https://github.com/weechat/weechat/commit/6f4f147d8e86adf9ad34a8ffd7e7f1f23a7e74da Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/03/msg00031.html Mailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/09/msg00018.html Mailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4ASRTCQFFDAAK347URWNDH6NSED2BGNY/ lists.fedoraproject.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ER23GT23US5JXDLUZAMGMWXKZ74MI4S2/ lists.fedoraproject.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M3LAJTLI3LWZRNCFYJ7PCBBTHUMCCBHH/ lists.fedoraproject.org
- https://security.gentoo.org/glsa/202003-51 Third Party Advisory
- https://weechat.org/doc/security/ Vendor Advisory