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Debian: DSA-5910-1 Critical: firefox-esr Execute Code Risk

debian
Calendar Grey April 30, 2025
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Several vulnerabilities in Firefox may result in the execution of arbitrary code or the circumvention of sandbox protections. Upgrade immediately!
Multiple security issues have been found in the Mozilla Firefox web browser, which could potentially result in the execution of arbitrary code or a bypass of sandbox restrictions

Summary

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

For the stable distribution (bookworm), these problems have been fixed in
version 128.10.0esr-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-2025-4083 CVE-2025-4087 CVE-2025-4091 CVE-2025-4093

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