CVE-2020-12418
6.5
MEDIUM
CVSS 3.1
EPSS 1.2%
Description
Manipulating individual parts of a URL object could have caused an out-of-bounds read, leaking process memory to malicious JavaScript. This vulnerability affects Firefox ESR < 68.10, Firefox < 78, and Thunderbird < 68.10.0.
How to fix CVE-2020-12418
To remediate CVE-2020-12418, upgrade the affected package to a fixed version below.
- Debian/firefox-esr—upgrade to 68.10.0esr-1 or later
- Debian/thunderbird—upgrade to 1:68.10.0-1 or later
Is CVE-2020-12418 being exploited?
Low — EPSS is 1.2%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 68.10.0esr-1
- from 0, < 1:68.10.0-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N |