Skip to content
CVE PROGRAM SOURCE RECORD4.3 Medium

CVE-2025-5263

Error handling for script execution was incorrectly isolated from web content

Description

Error handling for script execution was incorrectly isolated from web content, which could have allowed cross-origin leak attacks. This vulnerability was fixed in Firefox 139, Firefox ESR 115.24, Firefox ESR 128.11, Thunderbird 139, and Thunderbird 128.11.

Affected products

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

Mozilla Firefox

  • 115.24 to ≤ 115.*unaffected
  • 128.11 to ≤ 128.*unaffected
  • 139 to ≤ *unaffected

Mozilla Thunderbird

  • 128.11 to ≤ 128.*unaffected
  • 139 to ≤ *unaffected

References