CVE-2025-8037
Critical · CVSS 9.1- CVSS
- 9.1
- nvd
- EPSS
- 0.23%
- 13th pct
- KEV
- No
- Class
- other
- CWE-614
Description
Setting a nameless cookie with an equals sign in the value shadowed other cookies. Even if the nameless cookie was set over HTTP and the shadowed cookie included the `Secure` attribute. This vulnerability was fixed in Firefox 141, Firefox ESR 140.1, Thunderbird 141, and Thunderbird 140.1.
References
Status: profiled · ingested 2026-10-05T18:00:53.000Z