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CVE-2026-8391

MEDIUM CVSS: 5.3 Published: 2026-05-12 Modified: 2026-07-15

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 Platforms

Mozilla Firefox

Weakness Type

CWE-20, CWE-79, CWE-119, CWE-475

References