CVE-2017-7828
9.8
CRITICAL
CVSS 3.1
EPSS 28.9%
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.
How to fix CVE-2017-7828
To remediate CVE-2017-7828, upgrade the affected package to a fixed version below.
- Debian/firefox-esr—upgrade to 52.5.0esr-1 or later
- —upgrade to 1:52.5.0-1 or later
Is CVE-2017-7828 being exploited?
Moderate — EPSS is 28.9%. Track this CVE but it's not at the top of the prioritisation list.
Affected packages (2)
- from 0, < 52.5.0esr-1
- from 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 |