CVE-2021-40516
7.5 HIGHWeeChat before 3.2.1 allows remote attackers to cause a denial of service (crash) via a crafted WebSocket frame that trigger an out-of-bo...
Published: 2021-09-05 · Last updated: 2026-06-17
Severity and scoring
- CVSS
- 7.5 HIGH
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CWE
- CWE-125
Affected products
| Vendor | Product |
|---|---|
| debian | debian_linux, weechat |
| weechat | debian_linux, weechat |
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: NVD
References
- [NVD]https://nvd.nist.gov/vuln/detail/CVE-2021-40516
- [Patch]https://github.com/weechat/weechat/commit/8b1331f98de1714bae15a9ca2e2b393ba49d735b
- [Other]https://lists.debian.org/debian-lts-announce/2021/09/msg00018.html
- [Patch]https://weechat.org/doc/security/
- [Patch]https://github.com/weechat/weechat/commit/8b1331f98de1714bae15a9ca2e2b393ba49d735b
- [Other]https://lists.debian.org/debian-lts-announce/2021/09/msg00018.html
- [Patch]https://weechat.org/doc/security/
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