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Debian Bookworm: DSA-5922-1 critical: firefox-esr code execution

debian
Calendar Grey May 18, 2025
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Enhance your Firefox ESR to fix important vulnerabilities that could enable remote code execution. Keep your system protected with the newest update from Debian!
Multiple security issues have been found in the Mozilla Firefox web browser, which could potentially result in the execution of arbitrary code
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Topics Covered

security advisory security issue software update debian firefox 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 128.10.1esr-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-2025-4920 CVE-2025-4921

Topics%20covered

Topics Covered

security advisory security issue software update debian firefox arbitrary code

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