CVE catalog
CVE-2023-23009
libreswan: CVE-2023-23009
- Severity
- Medium · CVSS 6.5
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 1.61% · Oct 25, 2026
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.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | libreswan | sid | 5.2-2.5 | fixed |
| Debian | libreswan | forky | 5.2-2.5 | fixed |
| Debian | libreswan | trixie | 5.2-2.2 | fixed |
| Debian | libreswan | bookworm | 4.10-2+deb12u1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | libreswan | source | sid | 4.9-2 | not yet assigned | Not reported | [1031821] |
| Debian | libreswan | source | forky | 4.9-2 | not yet assigned | Not reported | [1031821] |
| Debian | libreswan | source | trixie | 4.9-2 | not yet assigned | Not reported | [1031821] |
| Debian | libreswan | source | bookworm | 4.9-2 | not yet assigned | Not reported | [1031821] |
OpenFactory catalog packages
Matching against OpenFactory catalog package versions is in progress.
References
- [https://access.redhat.com/errata/RHSA-2023:2633]
- [https://ftp.suse.com/pub/projects/security/csaf/rhsa-2023_3095.json]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2023-23009]
- [https://osv.dev/vulnerability/DSA-5368-1]
- [https://security-tracker.debian.org/tracker/CVE-2023-23009]
- [https://wid.cert-bund.de/.well-known/csaf/white/2023/wid-sec-w-2023-1185.json]
[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]