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).
SeverityCritical
CVSS9.8
Exploit probability—
Product
Weechat
PublishedFeb 12, 2020
First seenFeb 12, 2020
How to fix
Vendor advisories
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4ASRTCQFFDAAK347URWNDH6NSED2BGNY/
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ER23GT23US5JXDLUZAMGMWXKZ74MI4S2/
- security.gentoo.org/glsa/202003-51
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M3LAJTLI3LWZRNCFYJ7PCBBTHUMCCBHH/
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| weechat weechat | 0.3.8 ≤ v ≤ 2.7 | — |
| fedoraproject fedora | 30, 31, 32 | — |
| opensuse backports_sle | 15.0 | — |
| opensuse leap | 15.1 | — |
| debian debian_linux | 8.0, 9.0 | — |
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