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Debian: DSA-4788-1 Critical: Firefox-ESR Use-After-Free Code Execution

debian
Calendar Grey November 10, 2020
Scroller Debian
Ubuntu resolves a significant memory corruption vulnerability in thunderbird, boosting user protection.
A use-after-free was found in the Mozilla Firefox web browser, which could potentially result in the execution of arbitrary code

Summary

A use-after-free was found in the Mozilla Firefox web browser, which
could potentially result in the execution of arbitrary code.

For the stable distribution (buster), this problem has been fixed in
version 78.4.1esr-1~deb10u1.

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
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Critical

Package: firefox-esr
CVE ID: CVE-2020-26950

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