PT-2025-46361 · Mozilla+1 · Firefox+1

Atte Kettunen · CVE-2025-13021 · Published 2025-11-11 · Updated 2026-01-03

Positive Technologies (AI Summary)

CVSS v2.0

10

Critical

Base vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

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

Description An issue exists in the Graphics: WebGPU component due to incorrect boundary conditions.

Recommendations Update to Firefox version 145 or later.

Fix

DoS

Weakness Enumeration

CWE-703

Related Identifiers

ALT-PU-2025-14358

ALT-PU-2025-14878

BDU:2025-14510

CVE-2025-13021

OPENSUSE-SU-2025:15735-1

Affected Products

Alt Linux

Firefox

References · 39

• https://mozilla.org/security/advisories/mfsa2025-87 · Vendor Advisory
• https://mozilla.org/en-US/security/advisories/mfsa2025-87/#CVE-2025-13021 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2025-13021 · Security Note
• https://safe-surf.ru/specialists/bulletins-nkcki/726441 · Security Note
• https://wiki.astralinux.ru/astra-linux-se47-bulletin-2026-0518SE47 · Vendor Advisory
• https://mozilla.org/en-US/security/advisories/mfsa2025-90 · Vendor Advisory
• https://wiki.astralinux.ru/astra-linux-se17-bulletin-2026-0421SE17 · Vendor Advisory
• https://wiki.astralinux.ru/astra-linux-se18-bulletin-2026-0224SE18 · Vendor Advisory
• https://bdu.fstec.ru/vul/2025-14510 · Security Note
• https://ubuntu.com/security/CVE-2025-13021 · Vendor Advisory
• https://mozilla.org/security/advisories/mfsa2025-90 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-13021 · Security Note
• https://mozilla.org/en-US/security/advisories/mfsa2025-87 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2025:15735-1 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2025-13021 · Vendor Advisory