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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.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Arch Linux | — | Upgrade to the latest version of Arch Linux | Jul 11, 2025 | Mar 23, 2020 |
| Debian | — | Upgrade weechat | Mar 27, 2020 | Mar 23, 2020 |
| Gentoo Linux | — | Upgrade net-irc/weechat. | Mar 27, 2020 | Mar 23, 2020 |
| Ubuntu | — | Upgrade weechat-headless (Ubuntu Pro)Upgrade weechat-ruby (Ubuntu Pro)Upgrade weechat-perl (Ubuntu Pro)Upgrade weechat-lua (Ubuntu Pro)Upgrade weechat-tcl (Ubuntu Pro)Upgrade weechat-guile (Ubuntu Pro)Upgrade weechat (Ubuntu Pro)Upgrade weechat-core (Ubuntu Pro)Upgrade weechat-python (Ubuntu Pro)Upgrade weechat-curses (Ubuntu Pro)Upgrade weechat-php (Ubuntu Pro)Upgrade weechat-plugins (Ubuntu Pro) | Mar 22, 2023 | Mar 23, 2020 |
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