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Debian Security Advisory DSA-5581-1                   security@debian.org
https://www.debian.org/security/                       Moritz Muehlenhoff
December 20, 2023                     https://www.debian.org/security/faq
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Package        : firefox-esr
CVE ID         : CVE-2023-6856 CVE-2023-6857 CVE-2023-6858 CVE-2023-6859 
                 CVE-2023-6860 CVE-2023-6861 CVE-2023-6862 CVE-2023-6863 
                 CVE-2023-6864 CVE-2023-6865 CVE-2023-6867

Multiple security issues have been found in the Mozilla Firefox web
browser, which could potentially result in the execution of arbitrary
code, sandbox escape or clickjacking.

For the oldstable distribution (bullseye), these problems have been fixed
in version 115.6.0esr-1~deb11u1.

For the stable distribution (bookworm), these problems have been fixed in
version 115.6.0esr-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:
https://security-tracker.debian.org/tracker/firefox-esr

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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