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Alerts This Week
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Debian 11: DLA-4011-1 critical: firefox-esr code execution

debian lts
Calendar Grey January 11, 2025
Dist Debian Esm H88
Several vulnerabilities in Mozilla Firefox addressed in Debian LTS DLA-4011-1. Upgrading is advised for protection against potential threats.
Multiple security issues have been found in the Mozilla Firefox web browser, which could potentially result in the execution of arbitrary code or privilege escalation
Topics%20covered

Topics Covered

security advisory security issue privilege escalation Debian execution firefox-esr

Summary

For Debian 11 bullseye, these problems have been fixed in version
128.6.0esr-1~deb11u3.

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/source-package/firefox-esr

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


Severity
critical
Lowest
Low
Medium
High
Critical

Package: firefox-esr
Version: 128.6.0esr-1~deb11u3
CVE ID: CVE-2025-0237 CVE-2025-0238 CVE-2025-0239 CVE-2025-0240

Topics%20covered

Topics Covered

security advisory security issue privilege escalation Debian execution firefox-esr

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