Linux · Security advisory · March 6, 2022

DSA-5090-1: firefox-esr security update

DSA-5090-1, released March 6, 2022, fixes 1 CVE in firefox-esr (version 91.6.1esr-1~deb11u1). One of them is being exploited (CVE-2022-26485); 1 on CISA KEV. Patch Radar priority: Patch now. The product is no longer supported.

Patch now1 on CISA KEVUnsupported product
CVEs closed
1
1 rated Critical
Exploited
1
CVE-2022-26485
Exploitation more likely
0
Vendor assessment
Highest EPSS
0.1426
96th percentile

Fixed package versions

ProductReleaseFixed in
firefox-esrDebian 11.6 (bullseye)91.6.1esr-1~deb11u1

CVEs this fix closes

PriorityCVETitleImpactCVSSEPSSExploitation
Patch now CVE-2022-26485 Mozilla Firefox Use-After-Free Vulnerability 9.8 0.1426 KEVExploited
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