PT-2025-46360 · Mozilla+8 · Firefox Esr+9

Andreas Pehrson · Published 2025-11-11 · Updated 2026-02-02 · CVE-2025-13020

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 145 Firefox ESR versions prior to 140.5

Description A use-after-free issue exists in the WebRTC Audio/Video component. This can potentially allow for unexpected behavior or crashes.

Recommendations Update Firefox to version 145 or later. Update Firefox ESR to version 140.5 or later.

Fix

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

ALSA-2025:21280

ALSA-2025:21281

ALSA-2025:21843

ALSA-2025:21881

ALSA-2025:22363

ALT-PU-2025-14358

ALT-PU-2025-14554

ALT-PU-2025-14878

BDU:2025-14544

CESA-2025_21881

CESA-2025_22363

CVE-2025-13020

DLA-4370-1

DLA-4372-1

DSA-6054-1

DSA-6059-1

INFSA-2025_21280

INFSA-2025_21842

INFSA-2025_21881

INFSA-2025_22363

MGASA-2025-0300

MGASA-2025-0305

OESA-2025-2770

OPENSUSE-SU-2025:15735-1

OPENSUSE-SU-2025:15738-1

OPENSUSE-SU-2025:20065-1

OPENSUSE-SU-2026:20002-1

RHSA-2025_21280

RHSA-2025_21842

RHSA-2025_21881

SUSE-SU-2025:21021-1

SUSE-SU-2025:4173-1

SUSE-SU-2025:4174-1

SUSE-SU-2025:4195-1

USN-7991-1

Affected Products

Alt Linux

Almalinux

Centos

Firefox

Firefox Esr

Linuxmint

Red Hat

Rocky Linux

Suse

Ubuntu

References · 251

• https://ubuntu.com/security/CVE-2025-9184 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-6427 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-6433 · Vendor Advisory
• https://mozilla.org/security/advisories/mfsa2025-91 · Vendor Advisory
• https://mozilla.org/security/advisories/mfsa2025-88/#CVE-2025-13020 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-9179 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-8029 · Vendor Advisory
• https://advisories.mageia.org/MGASA-2025-0305.html · Security Note
• https://ubuntu.com/security/CVE-2025-9180 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-11715 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-0241 · Vendor Advisory
• https://wiki.astralinux.ru/astra-linux-se18-bulletin-2026-0224SE18 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-8036 · Vendor Advisory
• https://bdu.fstec.ru/vul/2025-14544 · Security Note
• https://ubuntu.com/security/CVE-2025-13019 · Vendor Advisory