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CVE PROGRAM SOURCE RECORD5.4 Medium

CVE-2026-109741

Use-after-free in the Storage: Bucket File System component

Description

Use-after-free in the Storage: Bucket File System component. This vulnerability was fixed in Firefox 158, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5.

Affected products

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

Mozilla Firefox

  • 153.5 to ≤ 153.*unaffected
  • 158 to ≤ *unaffected

Mozilla Thunderbird

  • 153.5 to ≤ 153.*unaffected
  • 158 to ≤ *unaffected

References