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CVE PROGRAM SOURCE RECORD5.1 Medium

CVE-2025-0243

Memory safety bugs fixed in Firefox 134, Thunderbird 134, Firefox ESR 128.6, and Thunderbird 128.6

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Status
Published
Published
Updated
Assigning organization
mozilla

Description

Memory safety bugs present in Firefox 133, Thunderbird 133, Firefox ESR 128.5, and Thunderbird 128.5. 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 134, Firefox ESR 128.6, Thunderbird 134, and Thunderbird 128.6.

Affected products

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

Mozilla Firefox

  • 128.6 to ≤ 128.*unaffected
  • 134 to ≤ *unaffected

Mozilla Thunderbird

  • 128.6 to ≤ 128.*unaffected
  • 134 to ≤ *unaffected

References