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CVE PROGRAM SOURCE RECORD9.8 Critical

CVE-2025-9187

Memory safety bugs fixed in Firefox 142 and Thunderbird 142

Description

Memory safety bugs present in Firefox 141 and Thunderbird 141. 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 142 and Thunderbird 142.

Affected products

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

Mozilla Firefox

  • 142 to ≤ *unaffected

Mozilla Thunderbird

  • 142 to ≤ *unaffected

References