CVE-2026-74989 (GCVE-0-2026-74989)
Vulnerability from cvelistv5
Published
2026-08-18 12:23
Modified
2026-08-24 08:51
Severity ?
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
Internally found bugs present in Firefox 153. Some of these bugs showed evidence of memory corruption or another security-relevant defect and we presume that with enough effort some of these could have been exploited. This vulnerability was fixed in Firefox 154 and Thunderbird 154.
References
Impacted products
Vendor Product Version
Mozilla Firefox Unaffected: 154
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