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TI-2022-07263 Aliases CVE-2022-23094GHSA-m3gq-3gw9-x3fv

Libreswan 4.2 through 4.5 allows remote attackers to cause a denial of service (NULL…

Priority LOW 38CWE-476Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-476.

Summary

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.

Why it matters now

EPSS 0.02544 85th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed Red Hat: 2 advisories

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 4

CPEVersionsRoleVendor
cpe:2.3:a:libreswan:libreswan:*:*:*:*:*:*:*:*4.2 to before 4.6VulnerableThe Libreswan Project
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*34VulnerableFedoraproject
cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*35VulnerableFedoraproject
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*10.0VulnerableDebian
  • cpe:2.3:a:libreswan:libreswan:*:*:*:*:*:*:*:* Versions 4.2 to before 4.6 Vulnerable ·The Libreswan Project
  • cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* Versions 34 Vulnerable ·Fedoraproject
  • cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* Versions 35 Vulnerable ·Fedoraproject
  • cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* Versions 10.0 Vulnerable ·Debian

Remediation

Red Hat 2 advisories

  • RHSA-2022:0239 Released 2022-01-24 · Red Hat rating Important
    libreswan security update
    • Red Hat Enterprise Linux AppStream EUS (v.8.4) libreswan-4.3-6.el8_4
  • RHSA-2022:0199 Released 2022-01-19 · Red Hat rating Important
    libreswan security update
    • Red Hat Enterprise Linux AppStream (v. 8) libreswan-4.4-4.el8_5

Vendor assessments

Red Hat

Red Hat rating: Important. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux AppStream (v. 8)Fixed RHSA-2022:0199
Red Hat Enterprise Linux AppStream EUS (v.8.4)Fixed RHSA-2022:0239
Not affected: 3 products
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7
  • Red Hat Enterprise Linux 9

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-23094
  2. 2026-10-03 Alias added: GHSA-m3gq-3gw9-x3fv

References

Exploit 1

Advisory 4

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences