Linux Distros Unpatched Vulnerability : CVE-2025-43529

high Nessus Plugin ID 279013

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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.

- A use-after-free issue was addressed with improved memory management. This issue is fixed in watchOS 26.2, Safari 26.2, iOS 18.7.3 and iPadOS 18.7.3, iOS 26.2 and iPadOS 26.2, macOS Tahoe 26.2, visionOS 26.2, tvOS 26.2. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been exploited in an extremely sophisticated attack against specific targeted individuals on versions of iOS before iOS 26. CVE-2025-14174 was also issued in response to this report. (CVE-2025-43529)

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

Solution

There is no known solution at this time.

Plugin Details

Severity: High

ID: 279013

File Name: unpatched_CVE_2025_43529.nasl

Version: 1.8

Type: local

Agent: unix

Family: Misc.

Published: 12/17/2025

Updated: 12/24/2025

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

Risk Information

VPR

Risk Factor: Critical

Score: 9.2

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 6.5

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

CVSS Score Source: CVE-2025-43529

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 8.6

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

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

Vulnerability Information

CPE: cpe:/o:debian:debian_linux:11.0, cpe:/o:centos:centos:7, cpe:/o:redhat:enterprise_linux:7, cpe:/o:canonical:ubuntu_linux:18.04:-:lts, cpe:/o:canonical:ubuntu_linux:16.04:-:lts, cpe:/o:canonical:ubuntu_linux:20.04:-:lts, p-cpe:/a:redhat:enterprise_linux:libwebkit2gtk, p-cpe:/a:redhat:enterprise_linux:webkitgtk3, p-cpe:/a:redhat:enterprise_linux:webkitgtk3-devel, p-cpe:/a:redhat:enterprise_linux:webkitgtk3-doc, cpe:/o:canonical:ubuntu_linux:22.04:-:lts, cpe:/o:debian:debian_linux:12.0, cpe:/o:canonical:ubuntu_linux:24.04:-:lts, cpe:/o:debian:debian_linux:13.0, p-cpe:/a:debian:debian_linux:wpewebkit, p-cpe:/a:canonical:ubuntu_linux:webkit2gtk, cpe:/o:canonical:ubuntu_linux:25.04, p-cpe:/a:canonical:ubuntu_linux:qtwebkit-opensource-src, p-cpe:/a:canonical:ubuntu_linux:qtwebkit-source, p-cpe:/a:canonical:ubuntu_linux:webkitgtk, p-cpe:/a:canonical:ubuntu_linux:wpewebkit, p-cpe:/a:centos:centos:webkitgtk3, p-cpe:/a:centos:centos:libwebkit2gtk, p-cpe:/a:centos:centos:webkitgtk3-devel, p-cpe:/a:centos:centos:webkitgtk3-doc, cpe:/o:canonical:ubuntu_linux:25.10

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

Exploit Available: true

Exploit Ease: Exploits are available

Vulnerability Publication Date: 12/15/2025

CISA Known Exploited Vulnerability Due Dates: 1/5/2026

Reference Information

CVE: CVE-2025-43529

Detections

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