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Debian 12: DSA-5950-1 important: firefox-esr arbitrary code risk

debian
Calendar Grey June 25, 2025
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Vulnerabilities found in firefox-esr may permit unauthorized code execution; Debian users are recommended to update.
Multiple security issues have been found in the Mozilla Firefox web browser, which could potentially result in the execution of arbitrary code

Summary

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

For the stable distribution (bookworm), these problems have been fixed in
version 128.12.0esr-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/source-package/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/



Severity
important
Lowest
Low
Medium
High
Critical

Package: firefox-esr
CVE ID: CVE-2025-6424 CVE-2025-6425 CVE-2025-6429 CVE-2025-6430

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