CVE-2020-6805
8.8
HIGH
CVSS 3.1
EPSS 0.46%
Description
When removing data about an origin whose tab was recently closed, a use-after-free could occur in the Quota manager, resulting in a potentially exploitable crash. This vulnerability affects Thunderbird < 68.6, Firefox < 74, Firefox < ESR68.6, and Firefox ESR < 68.6.
How to fix CVE-2020-6805
To remediate CVE-2020-6805, upgrade the affected package to a fixed version below.
- Debian/firefox-esr—upgrade to 68.6.0esr-1 or later
- —upgrade to 1:68.6.0-1 or later
Is CVE-2020-6805 being exploited?
Low — EPSS is 0.5%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 68.6.0esr-1
- from 0, < 1:68.6.0-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |