CVE-2018-5091
9.8
CRITICAL
CVSS 3.1
EPSS 4.3%
Description
A use-after-free vulnerability can occur during WebRTC connections when interacting with the DTMF timers. This results in a potentially exploitable crash. This vulnerability affects Firefox ESR < 52.6 and Firefox < 58.
How to fix CVE-2018-5091
To remediate CVE-2018-5091, upgrade the affected package to a fixed version below.
- Debian/firefox-esr—upgrade to 52.6.0esr-1 or later
Is CVE-2018-5091 being exploited?
Low — EPSS is 4.3%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 52.6.0esr-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 |