| Name | CVE-2023-23009 |
| 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. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more) |
| References | DSA-5368-1 |
| Debian Bugs | 1031821 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| libreswan (PTS) | buster, buster (security) | 3.27-6+deb10u1 | fixed |
| bullseye | 4.3-1+deb11u1 | vulnerable |
| bullseye (security) | 4.3-1+deb11u3 | fixed |
| bookworm | 4.7-1 | vulnerable |
| sid | 4.10-2 | fixed |
The information below is based on the following data on fixed versions.
Notes
[buster] - libreswan <not-affected> (3.x not vulnerable)
https://github.com/libreswan/libreswan/issues/954
https://libreswan.org/security/CVE-2023-23009/CVE-2023-23009.txt