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Debian Security Advisory DSA-5725-1                   security@debian.org
https://www.debian.org/security/                     Salvatore Bonaccorso
July 03, 2024                         https://www.debian.org/security/faq
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Package        : znc
CVE ID         : CVE-2024-39844
Debian Bug     : 1075729

Johannes Kuhn discovered that messages and channel names are not
properly escaped in the modtcl module in ZNC, a IRC bouncer, which could
result in remote code execution via specially crafted messages.

For the oldstable distribution (bullseye), this problem has been fixed
in version 1.8.2-2+deb11u1.

For the stable distribution (bookworm), this problem has been fixed in
version 1.8.2-3.1+deb12u1.

We recommend that you upgrade your znc packages.

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

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

Mailing list: debian-security-announce@lists.debian.org
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