Description
Same-origin policy bypass in the Networking: Cookies component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12.
CVSS 9.1EPSS 0.189%Risk 0.93
View source- Published
- 2026-06-16 13:16:30
- Affected versions
- <152,<140.12
- Type
- Critical software
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N