CVE-2025-9187 (GCVE-0-2025-9187)
Vulnerability from cvelistv5
Published
2025-08-19 20:33
Modified
2025-08-21 03:55
Severity ?
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
  • Memory safety bugs fixed in Firefox 142 and Thunderbird 142
Summary
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 affects Firefox < 142 and Thunderbird < 142.
References
security@mozilla.orghttps://bugzilla.mozilla.org/buglist.cgi?bug_id=1825621%2C1970079%2C1976736%2C1979072Broken Link
security@mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2025-64/Vendor Advisory
security@mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2025-70/Vendor Advisory
Impacted products
Vendor Product Version
Mozilla Firefox Version: unspecified   < 142
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   Mozilla Thunderbird Version: unspecified   < 142
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