CVEvulnerability
CVE-2021-40516
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2021-09-05
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:N/A:P
- Weaknesses
- CWE-125
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.
Affected configurations
• weechat weechat (>= 0.4.1 < 3.2.1)
• debian debian linux 10.0
Related
Weakness · CWE (1)
- CWE-125 Out-of-bounds Read weakness
References
- https://github.com/weechat/weechat/commit/8b1331f98de1714bae15a9ca2e2b393ba49d735b Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/09/msg00018.html Mailing List, Third Party Advisory
- https://weechat.org/doc/security/ Patch, Vendor Advisory
- https://github.com/weechat/weechat/commit/8b1331f98de1714bae15a9ca2e2b393ba49d735b Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/09/msg00018.html Mailing List, Third Party Advisory
- https://weechat.org/doc/security/ Patch, Vendor Advisory