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Debian 9: DLA-2387-1 Critical: Firefox-ESR Security Issues

debian lts
Calendar Grey September 28, 2020
Dist Debian Esm H88
Ubuntu Security Notice USN-4638-1 highlights vulnerabilities in libssl, impacting long-term support versions. Update is advised.
Multiple security issues have been found in the Mozilla Firefox web browser, which could potentially result in the execution of arbitrary code, cross-site scripting or spoofing the...
Topics%20covered

Topics Covered

security advisory Debian cross-site scripting firefox arbitrary code download spoofing

Summary

Debian follows the extended support releases (ESR) of Firefox. Support
for the 68.x series has ended, so starting with this update we're now
following the 78.x releases.

Between 68.x and 78.x, Firefox has seen a number of feature updates.
For more information please refer to
https://www.firefox.com/en-US/firefox/78.0esr/releasenotes/?redirect_source=mozilla-org

For Debian 9 stretch, these problems have been fixed in version
78.3.0esr-1~deb9u1.

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 LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS


Severity
critical
Lowest
Low
Medium
High
Critical

Package: firefox-esr
Version: 78.3.0esr-1~deb9u1
CVE ID: CVE-2020-15673 CVE-2020-15676 CVE-2020-15677 CVE-2020-15678

Topics%20covered

Topics Covered

security advisory Debian cross-site scripting firefox arbitrary code download spoofing

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