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CVE PROGRAM SOURCE RECORD6.5 Medium

CVE-2026-2783

Information disclosure due to JIT miscompilation in the JavaScript Engine: JIT component

Description

Information disclosure due to JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.

Affected products

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

Mozilla Firefox

  • 140.8 to ≤ 140.*unaffected
  • 148 to ≤ *unaffected

Mozilla Thunderbird

  • 140.8 to ≤ 140.*unaffected
  • 148 to ≤ *unaffected

References