Description
Use-after-free in the CSS Parsing and Computation component. This vulnerability affects Firefox < 149, Firefox ESR < 115.34, Firefox ESR < 140.9, Thunderbird < 149, and Thunderbird < 140.9.
CVSS 9.8EPSS 0.483%Risk 1.02
View source- Published
- 2026-03-24 13:16:04
- Affected versions
- <149
- Type
- Core software
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H