A weechat security update has been released for Debian GNU/Linux 9 LTS to address multiple vulnerabilities.

DLA 2770-1: weechat security update

- -------------------------------------------------------------------------
Debian LTS Advisory DLA-2770-1 debian-lts@lists.debian.org
  https://www.debian.org/lts/security/ Adrian Bunk
September 30, 2021   https://wiki.debian.org/LTS
- -------------------------------------------------------------------------

Package : weechat
Version : 1.6-1+deb9u3
CVE ID : CVE-2020-8955 CVE-2020-9759 CVE-2020-9760 CVE-2021-40516
Debian Bug : 951289 993803

Several vulnerabilities were fixed in the chat client WeeChat.

CVE-2020-8955

A crafted irc message 324 (channel mode) could result in a crash.

CVE-2020-9759

A crafted irc message 352 (who) could result in a crash.

CVE-2020-9760

A crafted irc message 005 (setting a new mode for a nick) could
result in a crash.

CVE-2021-40516

A crafted WebSocket frame could result in a crash in the Relay plugin.

For Debian 9 stretch, these problems have been fixed in version
1.6-1+deb9u3.

We recommend that you upgrade your weechat packages.

For the detailed security status of weechat please refer to
its security tracker page at:
  https://security-tracker.debian.org/tracker/weechat

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at:   https://wiki.debian.org/LTS