CVE-2018-12378
9.8
CRITICAL
CVSS 3.1
EPSS 3.0%
Description
A use-after-free vulnerability can occur when an IndexedDB index is deleted while still in use by JavaScript code that is providing payload values to be stored. This results in a potentially exploitable crash. This vulnerability affects Firefox < 62, Firefox ESR < 60.2, and Thunderbird < 60.2.1.
How to fix CVE-2018-12378
To remediate CVE-2018-12378, upgrade the affected package to a fixed version below.
- Debian/firefox-esr—upgrade to 60.2.0esr-1 or later
- —upgrade to 1:60.2.1-1 or later
Is CVE-2018-12378 being exploited?
Low — EPSS is 3.0%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 60.2.0esr-1
- from 0, < 1:60.2.1-1
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 |