CVE-2023-23009
libreswan - security update
6.5
MEDIUM
CVSS 3.1
EPSS 0.44%
Description
Libreswan 4.9 allows remote attackers to cause a denial of service (assert failure and daemon restart) via crafted TS payload with an incorrect selector length.
How to fix CVE-2023-23009
To remediate CVE-2023-23009, upgrade the affected package to a fixed version below.
- Debian/libreswan—upgrade to 4.3-1+deb11u3 or later
- Debian/libreswan—upgrade to 4.3-1+deb11u3 or later
Is CVE-2023-23009 being exploited?
Low — EPSS is 0.4%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 4.3-1+deb11u3
- from 0, < 4.3-1+deb11u3
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |