Linux · Security advisory · June 29, 2026

ELSA-2026-20574: Security update for 2 packages

ELSA-2026-20574, released June 29, 2026, fixes 3 CVEs across 2 products. None of them is reported as exploited. Patch Radar priority: High.

High
CVEs closed
3
None rated Critical
Exploited
0
None reported
Exploitation more likely
0
Vendor assessment
Highest EPSS
0.0045
38th percentile

Priority of the 3 CVEs

Patch now 0 Urgent 0 High 3 Routine 0

Fixed package versions

ProductReleaseFixed in
firefoxol 90:140.12.0-1.0.1.el9_8
firefox-x11ol 90:140.12.0-1.0.1.el9_8

CVEs this fix closes

PriorityCVETitleImpactCVSSEPSSExploitation
High CVE-2026-8094 Other issue in the WebRTC component 9.8 0.0045 None reported
High CVE-2026-8092 Memory safety bugs fixed in Thunderbird ESR 140.10.2 and Thunderbird 150.0.2 8.1 0.0041 None reported
High CVE-2026-8090 Use-after-free in the DOM: Networking component 7.5 0.0032 None reported
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