CVE-2021-40516

High

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.

SeverityHigh
CVSS7.5
Exploit probability—
ProductWeechat
PublishedSep 5, 2021
First seenSep 5, 2021

How to fix

Update
  • weechat weechat3.2.1 or later

Affected products

ProductAffected versionsFixed in
weechat weechat0.4.1 ≤ v < 3.2.13.2.1
debian debian_linux10.0—

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