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CVE PROGRAM SOURCE RECORD8.1 High

CVE-2025-5268

Memory safety bugs fixed in Firefox 139, Thunderbird 139, Firefox ESR 128.11, and Thunderbird 128.11

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Status
Published
Published
Updated
Assigning organization
mozilla

Description

Memory safety bugs present in Firefox 138, Thunderbird 138, Firefox ESR 128.10, and Thunderbird 128.10. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 139, 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

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

Mozilla Thunderbird

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

References