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TI-2019-07476 Aliases CVE-2019-10155GHSA-m236-w45w-74ch

The Libreswan Project has found a vulnerability in the processing of IKEv1 informational…

Priority LOW 16CWE-354Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
High
Impact type
—
Confidentiality · integrity · availability
None · None · Low
Fix status
Partial Red Hat: 1 fixed, 3 without a fix

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat.

Summary

The Libreswan Project has found a vulnerability in the processing of IKEv1 informational exchange packets which are encrypted and integrity protected using the established IKE SA encryption and integrity keys, but as a receiver, the integrity check value was not verified. This issue affects versions before 3.29.

Why it matters now

EPSS 0.005 43rd percentileScored 2026-11-07
Fix Partial Red Hat: 1 advisoryRed Hat: 1 fixed, 3 without a fix

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
The Libreswan Projectlibreswan3.29—No fix listedCNA

CPE configurations NVD · 6

CPEVersionsRoleVendor
cpe:2.3:a:libreswan:libreswan:*:*:*:*:*:*:*:*before 3.29VulnerableThe Libreswan Project
cpe:2.3:a:strongswan:strongswan:*:*:*:*:*:*:*:*before 5.0.0VulnerablestrongSwan
cpe:2.3:a:xelerance:openswan:*:*:*:*:*:*:*:*all versionsVulnerableXelerance
cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:*29VulnerableFedoraproject
cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*30VulnerableFedoraproject
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*8.0VulnerableRed Hat
  • cpe:2.3:a:libreswan:libreswan:*:*:*:*:*:*:*:* Versions before 3.29 Vulnerable ·The Libreswan Project
  • cpe:2.3:a:strongswan:strongswan:*:*:*:*:*:*:*:* Versions before 5.0.0 Vulnerable ·strongSwan
  • cpe:2.3:a:xelerance:openswan:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Xelerance
  • cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:* Versions 29 Vulnerable ·Fedoraproject
  • cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:* Versions 30 Vulnerable ·Fedoraproject
  • cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Red Hat

Remediation

Red Hat 1 advisory

  • RHSA-2019:3391 Released 2019-11-05 · Red Hat rating Low
    libreswan security and bug fix update
    • Red Hat Enterprise Linux AppStream (v. 8) libreswan-3.29-6.el8

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Enterprise Linux 5AffectedNo fix planned: Out of support scope
Red Hat Enterprise Linux 6AffectedNo fix planned: Out of support scope
Red Hat Enterprise Linux 7AffectedNo fix planned: Out of support scope
Red Hat Enterprise Linux AppStream (v. 8)Fixed RHSA-2019:3391

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-10155
  2. 2026-10-03 Alias added: GHSA-m236-w45w-74ch

References

Patch 2

Advisory 3

  • TI-2023-09114 Libreswan 4.9 allows remote attackers to cause a denial of service (assert failure and… CVSS 3.1MEDIUM 6.5
  • TI-2013-05949 Race condition in the libreswan.spec files for Red Hat Enterprise Linux (RHEL) and Fedora… CVSS 2.0HIGH 9.3
  • TI-2023-02152 Uncontrolled resource consumption in libreswan CVSS 3.1HIGH 7.5
  • TI-2026-37395 IKEv2 Denial of Service via RSA-SHA1 (PKCS#1 RSASSA-PKCS1-v1_5) authentication payload CVSS 3.1HIGH 8.1
  • TI-2026-37394 IKEv1 Denial of Service via RSA-SHA1 (PKCS#1 Version 1.5 Encrypted) authentication payload CVSS 3.1HIGH 8.1
  • TI-2023-14401 pluto in Libreswan before 4.11 allows a denial of service (responder SPI mishandling and… CVSS 3.1HIGH 7.5
See all 23 →

Sources

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