CVE-2025-11721 (GCVE-0-2025-11721)
Vulnerability from cvelistv5
Published
2025-10-14 12:27
Modified
2026-04-13 14:31
Severity ?
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
Memory safety bug present in Firefox 143 and Thunderbird 143. This bug showed evidence of memory corruption and we presume that with enough effort this could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 144 and Thunderbird 144.
References
Impacted products
Vendor Product Version
Mozilla Firefox Unaffected: 144
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