Detections
Analytics

Linux Distros Unpatched Vulnerability : CVE-2026-35331

high Nessus Plugin ID 309708

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Synopsis

The Linux/Unix host has one or more packages installed with a vulnerability that the vendor indicates will not be patched.

Description

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

 - Debian Linux - strongswan - None Ubuntu Linux - Accepting Certificates Violating Name Constraints (CVE-2026-35331)

Note that Nessus relies on the presence of the package as reported by the vendor.

Solution

There is no known solution at this time.

See Also

https://security-tracker.debian.org/tracker/CVE-2026-35331

https://ubuntu.com/security/CVE-2026-35331

Plugin Details

Severity: High

ID: 309708

File Name: unpatched_CVE_2026_35331.nasl

Version: 1.2

Type: Local

Agent: unix

Family: Misc.

Published: 4/22/2026

Updated: 4/29/2026

Supported Sensors: Agentless Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

Vulnerability Information

CPE: cpe:/o:canonical:ubuntu_linux:14.04:-:lts, cpe:/o:debian:debian_linux:11.0, cpe:/o:canonical:ubuntu_linux:20.04:-:lts, cpe:/o:canonical:ubuntu_linux:16.04:-:lts, cpe:/o:canonical:ubuntu_linux:18.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:strongswan, p-cpe:/a:debian:debian_linux:strongswan

Required KB Items: Host/cpu, Host/local_checks_enabled, global_settings/vendor_unpatched, Host/OS/identifier

Exploit Ease: No known exploits are available

Reference Information

CVE: CVE-2026-35331