CVEvulnerability

CVE-2026-12329

5.3 MEDIUM Published 2026-06-16 Modified 2026-10-25 Official page ↗
Status
Modified
Published
2026-06-16
Last modified
2026-10-25
Assigner
[email protected]
CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
5.3 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CVSS 3.1 (0b0ca135-0b70-47e7-9f44-1890c2a1c46c)
7.5 HIGH — CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Weaknesses
CWE-119, CWE-416, CWE-476

Description

Memory safety bug fixed in Thunderbird ESR 140.12. This vulnerability was fixed in Firefox ESR 140.12 and Thunderbird 140.12.

Affected configurations

• mozilla firefox (>= 140.0 < 140.12.0) • mozilla thunderbird (>= 140.0 < 140.12.0)

Related

Weakness · CWE (3)

  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer weakness
  • CWE-416 Use After Free weakness
  • CWE-476 NULL Pointer Dereference weakness

References