CVE-2020-9760

weechat: An issue was discovered in WeeChat before 2.7.1 (0.3.4 to 2.7 are affected)

CVE-2020-9760 is fixed in 4 products on 1 platform, first by weechat 1.9.1-1ubuntu1+esm1, released September 5, 2021. It is not reported as exploited. Patch Radar priority: Routine.

Routine
CVSS
n/a
Medium
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0210
81st percentile

An issue was discovered in WeeChat before 2.7.1 (0.3.4 to 2.7 are affected). When a new IRC message 005 is received with longer nick prefixes, a buffer overflow and possibly a crash can happen when a new mode is set for a nick.

Where it's fixed

ProductFixed inFixReleased
Linux
weechat · Ubuntu 18.04.6 LTS (bionic) 1.9.1-1ubuntu1+esm1 weechat 1.9.1-1ubuntu1+esm1 Sep 5, 2021
weechat-core · Ubuntu 18.04.6 LTS (bionic) 1.9.1-1ubuntu1+esm1 weechat-core 1.9.1-1ubuntu1+esm1 Sep 5, 2021
weechat-curses · Ubuntu 18.04.6 LTS (bionic) 1.9.1-1ubuntu1+esm1 weechat-curses 1.9.1-1ubuntu1+esm1 Sep 5, 2021
weechat-plugins · Ubuntu 18.04.6 LTS (bionic) 1.9.1-1ubuntu1+esm1 weechat-plugins 1.9.1-1ubuntu1+esm1 Sep 5, 2021

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