CVE-2023-6873
8.8
HIGH
CVSS 3.1
EPSS 0.38%
Description
Memory safety bugs present in Firefox 120. 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 < 121.
How to fix CVE-2023-6873
To remediate CVE-2023-6873, upgrade the affected package to a fixed version below.
- Debian/thunderbird—upgrade to 1:115.6.0-1~deb11u1 or later
Is CVE-2023-6873 being exploited?
Low — EPSS is 0.4%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 1:115.6.0-1~deb11u1
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 |