Protect yourself against future threats.
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AUSCERT External Security Bulletin Redistribution
ESB-2021.0685
firefox-esr security update
25 February 2021
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AusCERT Security Bulletin Summary
---------------------------------
Product: firefox-esr
Publisher: Debian
Operating System: Debian GNU/Linux
Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction
Cross-site Scripting -- Remote with User Interaction
Provide Misleading Information -- Remote with User Interaction
Access Confidential Data -- Remote with User Interaction
Reduced Security -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2021-23978 CVE-2021-23973 CVE-2021-23969
CVE-2021-23968
Reference: ESB-2021.0675
Original Bulletin:
https://lists.debian.org/debian-security-announce/2021/msg00043.html
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Debian Security Advisory DSA-4862-1 security@debian.org
https://www.debian.org/security/ Moritz Muehlenhoff
February 24, 2021 https://www.debian.org/security/faq
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Package : firefox-esr
CVE ID : CVE-2021-23968 CVE-2021-23969 CVE-2021-23973 CVE-2021-23978
Multiple security issues have been found in the Mozilla Firefox web
browser, which could potentially result in the execution of arbitrary
code or information disclosure.
For the stable distribution (buster), these problems have been fixed in
version 78.8.0esr-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/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/
Mailing list: debian-security-announce@lists.debian.org
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