CVE-2017-7828
CRITICAL9.8EPSS 28.9%Published: 6/11/2018Modified: 4/28/2026
Description
A use-after-free vulnerability can occur when flushing and resizing layout because the "PressShell" object has been freed while still in use. This results in a potentially exploitable crash during these operations. This vulnerability affects Firefox < 57, Firefox ESR < 52.5, and Thunderbird < 52.5.
Affected packages (2)
- Debian/firefox-esrfrom 0, < 52.5.0esr-1
- Debian/thunderbirdfrom 0, < 1:52.5.0-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |