CVE catalog
CVE-2023-38711
libreswan: CVE-2023-38711
- 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
- 0.81% · Oct 25, 2026
An issue was discovered in Libreswan before 4.12. When an IKEv1 Quick Mode connection configured with ID_IPV4_ADDR or ID_IPV6_ADDR receives an IDcr payload with ID_FQDN, a NULL pointer dereference causes a crash and restart of the pluto daemon. NOTE: the earliest affected version is 4.6.
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 | vulnerable |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | libreswan | source | sid | 4.12-1 | not yet assigned | Not reported | Not reported |
| Debian | libreswan | source | forky | 4.12-1 | not yet assigned | Not reported | Not reported |
| Debian | libreswan | source | trixie | 4.12-1 | not yet assigned | Not reported | Not reported |
| Debian | libreswan | source | bookworm | (unfixed) | not yet assigned | Not reported | Not reported |
OpenFactory catalog packages
Matching against OpenFactory catalog package versions is in progress.
References
- [https://ftp.suse.com/pub/projects/security/csaf/rhsa-2023_7052.json]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2023-38711]
- [https://security-tracker.debian.org/tracker/CVE-2023-38711]
- [https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-38711.json]
- [https://wid.cert-bund.de/.well-known/csaf/white/2023/wid-sec-w-2023-2853.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]