CVE-2020-26968
8.8
HIGH
CVSS 3.1
EPSS 0.56%
Description
Mozilla developers reported memory safety bugs present in Firefox 82 and Firefox ESR 78.4. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 83, Firefox ESR < 78.5, and Thunderbird < 78.5.
How to fix CVE-2020-26968
To remediate CVE-2020-26968, upgrade the affected package to a fixed version below.
- —upgrade to 78.5.0esr-1 or later
- —upgrade to 1:78.5.0-1 or later
Is CVE-2020-26968 being exploited?
Low — EPSS is 0.6%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 78.5.0esr-1
- from 0, < 1:78.5.0-1
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 |