Detections
Analytics

Linux Distros Unpatched Vulnerability : CVE-2026-22020

critical Nessus Plugin ID 309733

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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.

 - OpenJDK: Update LibPNG (Oracle CPU 2026-04) [fedora-all] (CVE-2026-22020)

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://access.redhat.com/security/cve/cve-2026-22020

https://ubuntu.com/security/CVE-2026-22020

Plugin Details

Severity: Critical

ID: 309733

File Name: unpatched_CVE_2026_22020.nasl

Version: 1.15

Type: Local

Agent: unix

Family: Misc.

Published: 4/22/2026

Updated: 8/25/2026

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.3

Percentile: 53.52

CVSS v2

Risk Factor: Medium

Base Score: 6.4

Temporal Score: 5.4

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:P

CVSS Score Source: CVE-2026-22020

CVSS v3

Risk Factor: Critical

Base Score: 9.1

Temporal Score: 8.3

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:U/RC:C

Vulnerability Information

CPE: cpe:/o:canonical:ubuntu_linux:16.04:-:lts, cpe:/o:canonical:ubuntu_linux:20.04:-:lts, cpe:/o:canonical:ubuntu_linux:22.04:-:lts, cpe:/o:centos:centos:7, cpe:/o:centos:centos:8, cpe:/o:redhat:enterprise_linux:10, cpe:/o:redhat:enterprise_linux:6, cpe:/o:redhat:enterprise_linux:7, cpe:/o:redhat:enterprise_linux:8, cpe:/o:redhat:enterprise_linux:9, p-cpe:/a:canonical:ubuntu_linux:openjdk-13, p-cpe:/a:canonical:ubuntu_linux:openjdk-16, p-cpe:/a:canonical:ubuntu_linux:openjdk-18, p-cpe:/a:canonical:ubuntu_linux:openjdk-21, p-cpe:/a:canonical:ubuntu_linux:openjdk-9, p-cpe:/a:centos:centos:firefox-x11, p-cpe:/a:centos:centos:firefox, p-cpe:/a:centos:centos:libpng-devel, p-cpe:/a:centos:centos:libpng-static, p-cpe:/a:centos:centos:libpng12-devel, p-cpe:/a:centos:centos:libpng12, p-cpe:/a:centos:centos:libpng15, p-cpe:/a:centos:centos:libpng, p-cpe:/a:centos:centos:mingw-libpng, p-cpe:/a:centos:centos:mingw32-libpng-static, p-cpe:/a:centos:centos:mingw32-libpng, p-cpe:/a:centos:centos:mingw64-libpng-static, p-cpe:/a:centos:centos:mingw64-libpng, p-cpe:/a:centos:centos:thunderbird, p-cpe:/a:redhat:enterprise_linux:firefox-x11, p-cpe:/a:redhat:enterprise_linux:firefox, p-cpe:/a:redhat:enterprise_linux:libpng-devel, p-cpe:/a:redhat:enterprise_linux:libpng-static, p-cpe:/a:redhat:enterprise_linux:libpng12-devel, p-cpe:/a:redhat:enterprise_linux:libpng12, p-cpe:/a:redhat:enterprise_linux:libpng15, p-cpe:/a:redhat:enterprise_linux:libpng, p-cpe:/a:redhat:enterprise_linux:mingw-libpng, p-cpe:/a:redhat:enterprise_linux:mingw32-libpng-static, p-cpe:/a:redhat:enterprise_linux:mingw32-libpng, p-cpe:/a:redhat:enterprise_linux:mingw64-libpng-static, p-cpe:/a:redhat:enterprise_linux:mingw64-libpng, p-cpe:/a:redhat:enterprise_linux:thunderbird

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

Exploit Ease: No known exploits are available

Reference Information

CVE: CVE-2026-22020