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Linux Distros Unpatched Vulnerability : CVE-2019-8503

high Nessus Plugin ID 223091

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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 logic issue was addressed with improved validation. This issue is fixed in iOS 12.2, tvOS 12.2, Safari 12.1, iTunes 12.9.4 for Windows, iCloud for Windows 7.11. A malicious website may be able to execute scripts in the context of another website. (CVE-2019-8503)

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-2019-8503

https://ubuntu.com/security/CVE-2019-8503

Plugin Details

Severity: High

ID: 223091

File Name: unpatched_CVE_2019_8503.nasl

Version: 1.4

Type: local

Agent: unix

Family: Misc.

Published: 3/4/2025

Updated: 9/14/2025

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: High

Base Score: 9.3

Temporal Score: 6.9

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

CVSS Score Source: CVE-2019-8503

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.7

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:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:centos:centos:libwebkit2gtk, cpe:/o:canonical:ubuntu_linux:16.04:-:lts, cpe:/o:canonical:ubuntu_linux:22.04:-:lts, p-cpe:/a:centos:centos:webkitgtk3-devel, cpe:/o:canonical:ubuntu_linux:24.04:-:lts, cpe:/o:centos:centos:7, p-cpe:/a:redhat:enterprise_linux:webkitgtk3, p-cpe:/a:canonical:ubuntu_linux:webkit2gtk, p-cpe:/a:centos:centos:webkitgtk3-doc, p-cpe:/a:centos:centos:webkitgtk3, p-cpe:/a:redhat:enterprise_linux:webkitgtk3-doc, p-cpe:/a:redhat:enterprise_linux:libwebkit2gtk, cpe:/o:canonical:ubuntu_linux:18.04:-:lts, cpe:/o:redhat:enterprise_linux:7, p-cpe:/a:canonical:ubuntu_linux:webkitgtk, p-cpe:/a:canonical:ubuntu_linux:qtwebkit-source, p-cpe:/a:redhat:enterprise_linux:webkitgtk3-devel, cpe:/o:canonical:ubuntu_linux:20.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:qtwebkit-opensource-src

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: 3/20/2019

Reference Information

CVE: CVE-2019-8503