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.
References (3)
Core 3
Core References
Patch, Vendor Advisory x_refsource_misc
https://weechat.org/doc/security/
Patch, Third Party Advisory x_refsource_misc
https://github.com/weechat/weechat/commit/8b1331f98de1714bae15a9ca2e2b393ba49d735b
Mailing List, Third Party Advisory mailing-list
x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2021/09/msg00018.html
Scores
CVSS v3
7.5
EPSS
0.0098
EPSS Percentile
76.9%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Details
CWE
CWE-125
Status
published
Products (2)
debian/debian_linux
10.0
weechat/weechat
0.4.1 - 3.2.1
Published
Sep 05, 2021
Tracked Since
Feb 18, 2026