CVEvulnerability

CVE-2026-12314

7.5 HIGH Published 2026-06-16 Modified 2026-10-26 Official page ↗
Status
Modified
Published
2026-06-16
Last modified
2026-10-26
Assigner
[email protected]
CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weaknesses
CWE-119, CWE-125, CWE-416, CWE-787

Description

Memory safety bug fixed in Thunderbird 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12.

Affected configurations

• mozilla firefox (< 140.12.0) • mozilla firefox (< 152.0.0) • mozilla thunderbird (< 140.12.0) • mozilla thunderbird (< 152.0.0)

Related

Weakness · CWE (4)

  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer weakness
  • CWE-125 Out-of-bounds Read weakness
  • CWE-416 Use After Free weakness
  • CWE-787 Out-of-bounds Write weakness

References