CVE-2018-5104
9.8
CRITICAL
CVSS 3.1
EPSS 28.9%
Description
A use-after-free vulnerability can occur during font face manipulation when a font face is freed while still in use, resulting in a potentially exploitable crash. This vulnerability affects Thunderbird < 52.6, Firefox ESR < 52.6, and Firefox < 58.
How to fix CVE-2018-5104
To remediate CVE-2018-5104, upgrade the affected package to a fixed version below.
- Debian/firefox-esr—upgrade to 52.6.0esr-1 or later
- Debian/thunderbird—upgrade to 1:52.6.0-1 or later
Is CVE-2018-5104 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, < 52.6.0esr-1
- from 0, < 1:52.6.0-1
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 |