VULNERABILITY INTELLIGENCE
CVE-2024-5699
CVSS score9.8 CRITICAL
EPSS probability0.77%
CISA KEVNot currently listed
Published2024-06-11
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Description
In violation of spec, cookie prefixes such as `__Secure` were being ignored if they were not correctly capitalized - by spec they should be checked with a case-insensitive comparison. This could have resulted in the browser not correctly honoring the behaviors specified by the prefix. This vulnerability affects Firefox < 127.
Weakness classification
- 134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-178
Primary references
- security@mozilla.org — Exploit, Issue Tracking
- security@mozilla.org — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Exploit, Issue Tracking
- af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory