PT-2026-2654 · Mozilla · Thunderbird+1

Hiroyuki Ikezoe + 3 · Published 2026-01-13 · Updated 2026-03-06 · CVE-2026-0892

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 147 Thunderbird versions prior to 147

Description The software contains memory safety bugs that could potentially lead to arbitrary code execution. Some of these bugs demonstrate evidence of memory corruption.

Recommendations Update Firefox to version 147 or later. Update Thunderbird to version 147 or later.

Fix

DoS

Buffer Overflow

Weakness Enumeration

CWE-119

Related Identifiers

BDU:2026-00524

CVE-2026-0892

OPENSUSE-SU-2026:10046-1

Affected Products

Firefox

Thunderbird

References · 37

• https://mozilla.org/security/advisories/mfsa2026-04 · Vendor Advisory
• https://bdu.fstec.ru/vul/2026-00524 · Security Note
• https://mozilla.org/en-US/security/advisories/mfsa2026-01/#CVE-2026-0892 · Vendor Advisory
• https://safe-surf.ru/specialists/bulletins-nkcki/728017 · Security Note
• https://wiki.astralinux.ru/astra-linux-se47-bulletin-2026-0518SE47 · Vendor Advisory
• https://mozilla.org/en-US/security/advisories/mfsa2026-04 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-0892 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2026:10046-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-0892 · Vendor Advisory
• https://mozilla.org/security/advisories/mfsa2026-01 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-0892 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-0892 · Security Note
• https://osv.dev/vulnerability/CVE-2026-0892 · Vendor Advisory
• https://wiki.astralinux.ru/astra-linux-se18-bulletin-2026-0423SE18MD · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2026-0892 · Security Note