Find real vulnerabilities before they ship
A locally-installed hostile program could send `WM_COPYDATA` messages that Firefox would process incorrectly, leading to an out-of-bounds read. *This bug only affects Firefox on Windows. Other operating systems are unaffected.*. This vulnerability affects Thunderbird < 78.11, Firefox < 89, and Firefox ESR < 78.11.
Base Score
7.1
| Base Score | 7.1 |
|---|---|
| Vector String | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H |
| Base Severity | High |
| Version | 3.1 |
| Attack Vector (AV) | LOCAL |
