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).
| Software | From | Fixed in |
|---|---|---|
| weechat / weechat | 0.3.8 | 2.7.x |
| fedoraproject / fedora | 30 | 30.x |
| fedoraproject / fedora | 31 | 31.x |
| fedoraproject / fedora | 32 | 32.x |
| opensuse / leap | 15.1 | 15.1.x |
| opensuse / backports_sle | 15.0-sp1 | 15.0-sp1.x |
| opensuse / backports_sle | 15.0 | 15.0.x |
| debian / debian_linux | 8.0 | 8.0.x |
| debian / debian_linux | 9.0 | 9.0.x |