CVE-2018-12360
8.8
HIGH
CVSS 3.1
EPSS 3.2%
Description
A use-after-free vulnerability can occur when deleting an input element during a mutation event handler triggered by focusing that element. This results in a potentially exploitable crash. This vulnerability affects Thunderbird < 60, Thunderbird < 52.9, Firefox ESR < 60.1, Firefox ESR < 52.9, and Firefox < 61.
How to fix CVE-2018-12360
To remediate CVE-2018-12360, upgrade the affected package to a fixed version below.
- Debian/firefox-esr—upgrade to 52.9.0esr-1 or later
- —upgrade to 1:52.9.0-1 or later
Is CVE-2018-12360 being exploited?
Low — EPSS is 3.2%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 52.9.0esr-1
- from 0, < 1:52.9.0-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |