CVE-2021-40516
- Source
- https://cve.org/CVERecord?id=CVE-2021-40516
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-40516.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2021-40516
- Downstream
- Related
- Published
- 2021-09-05T18:15:07.260Z
- Modified
- 2026-02-24T11:40:42.457733Z
- Severity
-
- 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
- Summary
- [none]
- Details
-
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.
- References
-
- https://github.com/weechat/weechat/commit/8b1331f98de1714bae15a9ca2e2b393ba49d735b
- https://lists.debian.org/debian-lts-announce/2021/09/msg00018.html
- https://weechat.org/doc/security/
- https://github.com/weechat/weechat/commit/8b1331f98de1714bae15a9ca2e2b393ba49d735b
- https://weechat.org/doc/security/
- https://lists.debian.org/debian-lts-announce/2021/09/msg00018.html
Affected packages
Git / github.com/weechat/weechat
Affected versions
v0.*
v0.4.1
v0.4.2
v0.4.2-rc1
v0.4.2-rc2
v0.4.3
v0.4.3-rc1
v0.4.3-rc2
v1.*
v1.0
v1.0-rc1
v1.0-rc2
v1.0-rc3
v1.1
v1.1-rc1
v1.1-rc2
v1.2
v1.2-rc1
v1.2-rc2
v1.3
v1.3-rc1
v1.3-rc2
v1.4
v1.4-rc1
v1.4-rc2
v1.5
v1.5-rc1
v1.5-rc2
v1.6
v1.6-rc1
v1.6-rc2
v1.7
v1.7-rc1
v1.7-rc2
v1.8
v1.8-rc1
v1.9
v1.9-rc1
v1.9-rc2
v2.*
v2.0
v2.0-rc1
v2.1
v2.1-rc1
v2.2
v2.2-rc1
v2.2-rc2
v2.3
v2.3-rc1
v2.4
v2.4-rc1
v2.5
v2.5-rc1
v2.5-rc2
v2.6
v2.6-rc1
v2.6-rc2
v2.7
v2.7-rc1
v2.8
v2.8-rc1
v2.9
v2.9-rc1
v3.*
v3.0
v3.0-rc1
v3.1
v3.1-rc1
v3.2
v3.2-rc1