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Debian: firefox-esr Critical Arbitrary Code Execution DSA-5964-1

debian
Calendar Grey July 23, 2025
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Serious vulnerabilities found in Firefox ESR may enable unauthorized code execution. It's advised to update promptly to lower potential threats.
Multiple security issues have been found in the Mozilla Firefox web browser, which could potentially result in the execution of arbitrary code
Topics%20covered

Topics Covered

security advisory critical debian arbitrary code execution firefox-esr

Summary

For the stable distribution (bookworm), these problems have been fixed in
version 128.13.0esr-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
critical
Lowest
Low
Medium
High
Critical

Package: firefox-esr
CVE ID: CVE-2025-8027 CVE-2025-8028 CVE-2025-8029 CVE-2025-8030

Topics%20covered

Topics Covered

security advisory critical debian arbitrary code execution firefox-esr

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