Debian 9890 Published by

A firefox-esr security update has been released for Debian GNU/Linux 10 LTS to address a buffer overflow in parsing WebP images.

[SECURITY] [DLA 3568-1] firefox-esr security update

- -------------------------------------------------------------------------
Debian LTS Advisory DLA-3568-1 Emilio Pozuelo Monfort
September 16, 2023
- -------------------------------------------------------------------------

Package : firefox-esr
Version : 102.15.1esr-1~deb10u1
CVE ID : CVE-2023-4863

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

For Debian 10 buster, this problem has been fixed in version

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 LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: