CVE-2022-23094
CVSS v3
7.5
HIGH
EPSS Score
2.5 %
exploit probability, as of 2026-10-19
CISA KEV
No
known exploited
Exploitation
—
SSVC status
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Affected and fixed versions
Packages from OSV.dev and products from the vendors' CSAF advisories.
version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.
Packages
- libreswanAlmaLinux:8all versions · fixed in 4.4-4.el8_5
Vendor advisories
libreswan: Malicious IKEv1 packet can cause libreswan to restart
Red Hat Security Advisory: libreswan security update
Red Hat Security Advisory: libreswan security update
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.
Technical details
- Published
- 2022-01-15
Frequently asked questions
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Related vulnerabilities
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