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Red Hat Security Advisory

RHSA-2025:21120

firefox security update

Released 2025-11-12 · Red Hat rating Important · View on Red Hat →

Fixed in

Fixes 9 records

TI-2025-11918 CVE-2025-13020 · GHSA-2q3p-f6j6-9qhj

Use after free in Mozilla Firefox

Priority MEDIUM 40

Use-after-free in the WebRTC: Audio/Video component.

CVSS 3.1HIGH 8.8 Network No auth User interaction EPSS 0.00306 Published 2025-11-11 Partial fix · 140.5, 145 CWE-416
TI-2025-11912 CVE-2025-13014 · GHSA-8q64-5xmq-2f45

Use after free in Mozilla Firefox

Priority MEDIUM 40

Use-after-free in the Audio/Video component.

CVSS 3.1HIGH 8.8 Network No auth User interaction EPSS 0.00316 Published 2025-11-11 Partial fix · 115.30, 140.5 +1 CWE-416
TI-2025-11916 CVE-2025-13018 · GHSA-v7r3-hxvj-7w2p

Authentication bypass in Mozilla Firefox

Priority LOW 37

Mitigation bypass in the DOM: Security component.

CVSS 3.1HIGH 8.1 Network No auth User interaction EPSS 0.00275 Published 2025-11-11 Partial fix · 140.5, 145 CWE-288
TI-2025-11910 CVE-2025-13012 · GHSA-ghxv-675w-53v8

Race condition in Mozilla Firefox

Priority LOW 34

Race condition in the Graphics component.

CVSS 3.1HIGH 7.5 Network No auth User interaction EPSS 0.00243 Published 2025-11-11 Partial fix · 115.30, 140.5 +1 CWE-362
TI-2025-11911 CVE-2025-13013 · GHSA-vcwp-4m7w-hxfh

Authentication bypass in Mozilla Firefox

Priority LOW 27

Mitigation bypass in the DOM: Core & HTML component.

CVSS 3.1MEDIUM 6.1 Network No auth User interaction EPSS 0.00217 Published 2025-11-11 Partial fix · 115.30, 140.5 +1 CWE-288