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CVE PROGRAM SOURCE RECORD6.5 Medium

CVE-2025-10529

Same-origin policy bypass in the Layout component

Description

Same-origin policy bypass in the Layout component. This vulnerability was fixed in Firefox 143, Firefox ESR 140.3, Thunderbird 143, and Thunderbird 140.3.

Affected products

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

Mozilla Firefox

  • 140.3 to ≤ 140.*unaffected
  • 143 to ≤ *unaffected

Mozilla Thunderbird

  • 140.3 to ≤ 140.*unaffected
  • 143 to ≤ *unaffected

References