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CVE PROGRAM SOURCE RECORD6.5 Medium

CVE-2026-8388

Incorrect boundary conditions in the JavaScript Engine: JIT component

Description

Incorrect boundary conditions in the JavaScript Engine: JIT 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