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CVE PROGRAM SOURCE RECORD8.6 High

CVE-2026-8958

Information disclosure, sandbox escape in the Security: Process Sandboxing component

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Status
Published
Published
Updated
Assigning organization
mozilla

Description

Information disclosure, sandbox escape in the Security: Process Sandboxing component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, 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

  • 140.11 to ≤ 140.*unaffected
  • 151 to ≤ *unaffected

Mozilla Thunderbird

  • 140.11 to ≤ 140.*unaffected
  • 151 to ≤ *unaffected

References