| Name | CVE-2021-40516 |
| Description | WeeChat before 3.2.1 allows remote attackers to cause a denial of service (crash) via a crafted WebSocket frame that trigger an out-of-bounds read in plugins/relay/relay-websocket.c in the Relay plugin. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-2770-1, ELA-489-1 |
| Debian Bugs | 993803 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| weechat (PTS) | jessie, jessie (lts) | 1.0.1-1+deb8u4 | fixed |
| stretch (security), stretch (lts), stretch | 1.6-1+deb9u3 | fixed |
| buster | 2.3-1+deb10u1 | fixed |
| bullseye | 3.0-1+deb11u1 | fixed |
| bookworm | 3.8-1 | fixed |
| sid, trixie | 4.4.3-1 | fixed |
The information below is based on the following data on fixed versions.
Notes
https://github.com/weechat/weechat/commit/8b1331f98de1714bae15a9ca2e2b393ba49d735b