PT-2025-46367 · Mozilla+1 · Thunderbird+2

Published 2025-11-11 · Updated 2026-01-27 · CVE-2025-13027

Positive Technologies (AI Summary)

CVSS v3.1

8.1

High

Base vector

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

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

Description Memory safety bugs exist in Firefox 144 and Thunderbird 144. These bugs demonstrate evidence of memory corruption, and it is presumed that, with sufficient effort, they could potentially be exploited to execute arbitrary code.

Recommendations Update Firefox to version 145 or later. Update Thunderbird to version 145 or later.

Fix

DoS

Buffer Overflow

Weakness Enumeration

CWE-119

Related Identifiers

ALT-PU-2025-14358

ALT-PU-2025-14878

BDU:2025-14088

CVE-2025-13027

OPENSUSE-SU-2025:15735-1

Affected Products

Alt Linux

Firefox

Thunderbird

References · 36

• https://osv.dev/vulnerability/openSUSE-SU-2025:15735-1 · Vendor Advisory
• https://mozilla.org/en-US/security/advisories/mfsa2025-87 · Vendor Advisory
• https://wiki.astralinux.ru/astra-linux-se47-bulletin-2026-0518SE47 · Vendor Advisory
• https://wiki.astralinux.ru/astra-linux-se18-bulletin-2026-0224SE18 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2025-13027 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2025-13027 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-13027 · Security Note
• https://safe-surf.ru/specialists/bulletins-nkcki/726475 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2025-13027 · Vendor Advisory
• https://mozilla.org/en-US/security/advisories/mfsa2025-90 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-13027 · Vendor Advisory
• https://mozilla.org/security/advisories/mfsa2025-87 · Vendor Advisory
• https://mozilla.org/security/advisories/mfsa2025-90 · Vendor Advisory
• https://wiki.astralinux.ru/astra-linux-se16-bulletin-20251225SE16 · Vendor Advisory
• https://bdu.fstec.ru/vul/2025-14088 · Security Note