PT-2025-22997 · Mozilla+4 · Thunderbird+5

Andrew Osmond · Published 2025-05-27 · Updated 2026-02-02 · CVE-2025-5272

Positive Technologies (AI Summary)

CVSS v2.0

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 139 Thunderbird versions prior to 139

Description The issue is related to memory safety bugs that have been identified in Firefox and Thunderbird. These bugs have shown evidence of memory corruption, and it is presumed that with sufficient effort, some of these bugs could be exploited to run arbitrary code.

Recommendations For Firefox versions prior to 139, update to version 139 or later to resolve the issue. For Thunderbird versions prior to 139, update to version 139 or later to resolve the issue.

Fix

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

ALT-PU-2025-11100

ALT-PU-2025-11495

ALT-PU-2025-11497

ALT-PU-2025-14599

ALT-PU-2025-8611

ALT-PU-2025-8725

BDU:2025-06227

CVE-2025-5272

OPENSUSE-SU-2025:15196-1

USN-7991-1

Affected Products

Alt Linux

Astra Linux

Firefox

Linuxmint

Thunderbird

Ubuntu

References · 148

• https://ubuntu.com/security/CVE-2025-13015 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-0887 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-11711 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-9181 · Vendor Advisory
• https://osv.dev/vulnerability/USN-7991-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-5272 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-0891 · Vendor Advisory
• https://mozilla.org/security/advisories/mfsa2025-42 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-14328 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-14324 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-5272 · Security Note
• https://ubuntu.com/security/CVE-2025-5270 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-8037 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-8039 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-11715 · Vendor Advisory