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CVE PROGRAM SOURCE RECORD5.3 Medium

CVE-2026-8391

Other issue in the JavaScript Engine component

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 products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Mozilla Firefox

  • 115.36 to ≤ 115.*unaffected
  • 140.11 to ≤ 140.*unaffected
  • 150.0.3 to ≤ *unaffected

Mozilla Thunderbird

  • 140.11 to ≤ *unaffected

References