PT-2025-46359 · Mozilla+8 · Firefox Esr+9

Oskar L · Published 2025-11-11 · Updated 2026-02-02 · CVE-2025-13019

Positive Technologies (AI Summary)

CVSS v3.1

8.1

High

Base vector

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

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

Description A same-origin policy bypass exists in the DOM: Workers component. This allows for potential unauthorized access or manipulation of data due to insufficient restrictions on cross-origin interactions.

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

Fix

Protection Mechanism Failure

Weakness Enumeration

CWE-942

CWE-693

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:2025-14545

CESA-2025_21881

CESA-2025_22363

CVE-2025-13019

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://ubuntu.com/security/CVE-2025-9179 · Vendor Advisory
• https://mozilla.org/security/advisories/mfsa2025-91 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-8029 · Vendor Advisory
• https://advisories.mageia.org/MGASA-2025-0305.html · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-13019 · 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://ubuntu.com/security/CVE-2025-13019 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-13012 · Vendor Advisory