High severity7.5NVD Advisory· Published Jan 15, 2022· Updated Jun 17, 2026

CVE-2022-23094

Description

Libreswan 4.2 through 4.5 allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted IKEv1 packet because pluto/ikev1.c wrongly expects that a state object exists. This is fixed in 4.6.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Libreswan/Libreswan3 versions
cpe:2.3:a:libreswan:libreswan:*:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:a:libreswan:libreswan:*:*:*:*:*:*:*:*range: >=4.2,<4.6
- (no CPE)
- (no CPE)range: 4.2 - 4.5
Debian/linux
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
Fedoraproject/Fedora2 versions
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
osv-coords
pkg:rpm/almalinux/libreswan
Range: < 4.4-4.el8_5

Patches

Vulnerability mechanics

References

github.com/libreswan/libreswan/issues/585nvdExploitIssue TrackingThird Party Advisory
libreswan.org/security/CVE-2022-23094nvdThird Party Advisory
www.debian.org/security/2022/dsa-5048nvdThird Party Advisory
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HPMIHAXWQUJAPCIGNJ5J5Q6ASWQBU7T5/nvd
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UFZ7WP5LNNBW5ADIOPDSPQ23SXZJRNMP/nvd

News mentions

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cvss	0.488
epss	0.002
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000