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CVE PROGRAM SOURCE RECORD9.6 Critical

CVE-2026-109708

Sandbox escape due to incorrect boundary conditions in the Networking component

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Status
Published
Published
Updated
Assigning organization
mozilla

Description

Sandbox escape due to incorrect boundary conditions in the Networking component. This vulnerability was fixed in Firefox 158, Firefox ESR 153.5, Thunderbird 158, Thunderbird 153.5, and Firefox ESR 115.44.

Affected products

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

Mozilla Firefox

  • 115.44 to ≤ 115.*unaffected
  • 153.5 to ≤ 153.*unaffected
  • 158 to ≤ *unaffected

Mozilla Thunderbird

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

References