CVEvulnerability

CVE-2026-8391

5.3 MEDIUM Published 2026-05-12 Modified 2026-10-25 Official page ↗
Status
Modified
Published
2026-05-12
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:L/I:N/A:N
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-20, CWE-475, CWE-79

Description

Other issue in the JavaScript Engine component. This vulnerability was fixed in Firefox 150.0.3, Firefox ESR 115.36, Firefox ESR 140.11, and Thunderbird 140.11.

Affected configurations

• mozilla firefox (< 150.0.3)

Related

Weakness · CWE (4)

  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer weakness
  • CWE-20 Improper Input Validation weakness
  • CWE-475 Undefined Behavior for Input to API weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation weakness

References