PT-2025-18161 · Mozilla+4 · Thunderbird+5

Zarro Boogs · Published 2025-04-29 · Updated 2026-02-02 · CVE-2025-4092

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 138 Thunderbird versions prior to 138

Description Memory safety bugs are present in certain versions of Firefox and Thunderbird, showing evidence of memory corruption. It is presumed that with enough effort, some of these bugs could be exploited to run arbitrary code.

Recommendations For Firefox versions prior to 138, update to version 138 or later. For Thunderbird versions prior to 138, update to version 138 or later.

Fix

Buffer Overflow

Weakness Enumeration

CWE-119

Related Identifiers

ALT-PU-2025-11100

ALT-PU-2025-14599

ALT-PU-2025-6353

ALT-PU-2025-6478

ALT-PU-2025-7695

ALT-PU-2025-7697

BDU:2025-06661

CVE-2025-4092

OPENSUSE-SU-2025:15045-1

USN-7991-1

Affected Products

Alt Linux

Astra Linux

Firefox

Linuxmint

Thunderbird

Ubuntu

References · 150

• https://ubuntu.com/security/CVE-2025-13015 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-11711 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-0887 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-0891 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-14328 · Vendor Advisory
• https://mozilla.org/security/advisories/mfsa2025-28 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-8039 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-11715 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-8038 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-6434 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-0243 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-6435 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-0882 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-5283 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-13017 · Vendor Advisory