CVE-2025-4092 (GCVE-0-2025-4092)

Vulnerability from cvelistv5 – Published: 2025-04-29 13:13 – Updated: 2025-04-29 15:36
VLAI?
Summary
Memory safety bugs present in Firefox 137 and Thunderbird 137. 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 affects Firefox < 138 and Thunderbird < 138.
Severity ?
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
CWE
  • Memory safety bugs fixed in Firefox 138 and Thunderbird 138
Assigner
References
Impacted products
Vendor Product Version
Mozilla Firefox Affected: unspecified , < 138 (custom)
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    Mozilla Thunderbird Affected: unspecified , < 138 (custom)
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Credits
Randell Jesup, Jens Stutte, and the Mozilla Fuzzing Team
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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.