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CVE PROGRAM SOURCE RECORD8.8 High

CVE-2025-10537

Memory safety bugs fixed in Firefox ESR 140.3, Thunderbird ESR 140.3, Firefox 143 and Thunderbird 143

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Status
Published
Published
Updated
Assigning organization
mozilla

Description

Memory safety bugs present in Firefox ESR 140.2, Thunderbird ESR 140.2, Firefox 142 and Thunderbird 142. 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 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