CVE-2021-40516

September 30, 2021

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.

Summary:

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.

Reference Links(if available):

  • https://weechat.org/doc/security/
  • https://github.com/weechat/weechat/commit/8b1331f98de1714bae15a9ca2e2b393ba49d735b
  • https://lists.debian.org/debian-lts-announce/2021/09/msg00018.html

  • CVSS Score (if available)

    v2: / MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P

    v3: / HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

    Links to Exploits(if available)

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