CVEvulnerability

CVE-2026-8947

7.3 HIGH Published 2026-05-19 Modified 2026-10-14 Official page ↗
Status
Modified
Published
2026-05-19
Last modified
2026-10-14
Assigner
[email protected]
CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
7.3 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/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-416, CWE-825

Description

Use-after-free in the DOM: Bindings (WebIDL) component. This vulnerability was fixed in Firefox 151, Firefox ESR 115.36, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.

Affected configurations

• mozilla firefox (< 115.36.0) • mozilla firefox (< 151.0.0) • mozilla firefox (>= 140.0 < 140.11.0) • mozilla thunderbird (< 140.11)

Related

Weakness · CWE (2)

  • CWE-416 Use After Free weakness
  • CWE-825 Expired Pointer Dereference weakness

References