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Linux Distros Unpatched Vulnerability : CVE-2026-20652

high Nessus Plugin ID 303054

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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.

 - The issue was addressed with improved memory handling. This issue is fixed in macOS Tahoe 26.3, iOS 18.7.5 and iPadOS 18.7.5, visionOS 26.3, iOS 26.3 and iPadOS 26.3, Safari 26.3. A remote attacker may be able to cause a denial-of-service. (CVE-2026-20652)

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-2026-20652

https://security-tracker.debian.org/tracker/CVE-2026-20652

Plugin Details

Severity: High

ID: 303054

File Name: unpatched_CVE_2026_20652.nasl

Version: 1.4

Type: local

Agent: unix

Family: Misc.

Published: 3/19/2026

Updated: 3/21/2026

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.7

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

CVSS Score Source: CVE-2026-20652

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.9

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

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

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:webkitgtk4-doc, p-cpe:/a:centos:centos:webkitgtk4, p-cpe:/a:redhat:enterprise_linux:webkitgtk4-jsc-devel, p-cpe:/a:redhat:enterprise_linux:webkit2gtk3, p-cpe:/a:centos:centos:webkit2gtk3-jsc, cpe:/o:centos:centos:7, cpe:/o:debian:debian_linux:11.0, p-cpe:/a:centos:centos:webkitgtk3-devel, p-cpe:/a:debian:debian_linux:wpewebkit, cpe:/o:centos:centos:8, p-cpe:/a:centos:centos:webkitgtk4-jsc-devel, p-cpe:/a:centos:centos:libwebkit2gtk, p-cpe:/a:redhat:enterprise_linux:webkit2gtk3-jsc-devel, p-cpe:/a:redhat:enterprise_linux:webkit2gtk3-devel, p-cpe:/a:centos:centos:webkitgtk4-doc, p-cpe:/a:redhat:enterprise_linux:webkit2gtk3-plugin-process-gtk2, p-cpe:/a:redhat:enterprise_linux:webkitgtk3, p-cpe:/a:centos:centos:webkit2gtk3, p-cpe:/a:centos:centos:webkit2gtk3-plugin-process-gtk2, p-cpe:/a:centos:centos:webkitgtk3-doc, cpe:/o:redhat:enterprise_linux:8, p-cpe:/a:centos:centos:webkitgtk4-plugin-process-gtk2, p-cpe:/a:centos:centos:webkitgtk4-jsc, cpe:/o:debian:debian_linux:13.0, p-cpe:/a:centos:centos:webkit2gtk3-devel, p-cpe:/a:redhat:enterprise_linux:webkitgtk3-doc, p-cpe:/a:redhat:enterprise_linux:libwebkit2gtk, p-cpe:/a:redhat:enterprise_linux:webkitgtk4-plugin-process-gtk2, cpe:/o:redhat:enterprise_linux:7, cpe:/o:redhat:enterprise_linux:9, p-cpe:/a:redhat:enterprise_linux:webkitgtk4-jsc, p-cpe:/a:centos:centos:webkitgtk3, p-cpe:/a:centos:centos:webkit2gtk3-jsc-devel, p-cpe:/a:redhat:enterprise_linux:webkitgtk4-devel, p-cpe:/a:redhat:enterprise_linux:webkitgtk4, p-cpe:/a:debian:debian_linux:webkit2gtk, p-cpe:/a:redhat:enterprise_linux:webkitgtk3-devel, p-cpe:/a:redhat:enterprise_linux:webkit2gtk3-jsc, p-cpe:/a:centos:centos:webkitgtk4-devel, cpe:/o:debian:debian_linux:12.0

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

Exploit Ease: No known exploits are available

Vulnerability Publication Date: 2/11/2026

Reference Information

CVE: CVE-2026-20652