Debian 9899 Published by

A firefox-esr security update security update has been released for Debian GNU/Linux 11 and 12 to address a buffer overflow.

[SECURITY] [DSA 5496-1] firefox-esr security update

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Debian Security Advisory DSA-5496-1 Moritz Muehlenhoff
September 13, 2023
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Package : firefox-esr
CVE ID : CVE-2023-4863

A buffer overflow in parsing WebP images may result in the execution of
arbitrary code.

For the oldstable distribution (bullseye), this problem has been fixed
in version 102.15.1esr-1~deb11u1.

For the stable distribution (bookworm), this problem has been fixed in
version 102.15.1esr-1~deb12u1.

We recommend that you upgrade your firefox-esr packages.

For the detailed security status of firefox-esr please refer to
its security tracker page at:

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: