Debian dsa-6463 : gir1.2-javascriptcoregtk-4.1 - security update

high Nessus Plugin ID 339163

Synopsis

The remote Debian host is missing one or more security-related updates.

Description

The remote Debian 13 host has packages installed that are affected by multiple vulnerabilities as referenced in the dsa-6463 advisory.

- ------------------------------------------------------------------------- Debian Security Advisory DSA-6463-1 [email protected] https://www.debian.org/security/ Alberto Garcia August 24, 2026 https://www.debian.org/security/faq
- -------------------------------------------------------------------------

Package : webkit2gtk CVE ID : CVE-2026-43804 CVE-2026-64713 CVE-2026-64719 CVE-2026-64728 CVE-2026-64730 CVE-2026-64757 CVE-2026-64783

The following vulnerabilities have been discovered in the WebKitGTK web engine:

CVE-2026-43804

Heiko Kiesel discovered that visiting a website may lead to an app denial-of-service.

CVE-2026-64713

Kwak Kiyong and Song Nuri discovered that websites may know if the user has visited a given link.

CVE-2026-64719

Shaheen Fazim discovered that processing maliciously crafted web content may lead to an unexpected process crash.

CVE-2026-64728

An anonymous researcher discovered that maliciously crafted web content may violate iframe sandboxing policy.

CVE-2026-64730

Kagami Rosylight discovered that visiting a website that frames malicious content may lead to UI spoofing.

CVE-2026-64757

Milad Nasr and Nicholas Carlini discovered that processing maliciously crafted web content may lead to an unexpected process crash.

CVE-2026-64783

lattice, Behzad Najjarpour Jabbari, Junyeong Lee, OGINOME Tomohito, Gia Bui and others discovered that processing maliciously crafted web content may lead to an unexpected process crash.

For the stable distribution (trixie), these problems have been fixed in version 2.52.6-1~deb13u1.

We recommend that you upgrade your webkit2gtk packages.

For the detailed security status of webkit2gtk please refer to its security tracker page at:
https://security-tracker.debian.org/tracker/webkit2gtk

Further information about Debian Security Advisories, how to apply these updates to your system and frequently asked questions can be found at: https://www.debian.org/security/

Mailing list: [email protected]

Tenable has extracted the preceding description block directly from the Debian security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Upgrade the gir1.2-javascriptcoregtk-4.1 packages.

Plugin Details

Severity: High

ID: 339163

File Name: debian_DSA-6463.nasl

Version: 1.1

Type: Local

Agent: unix

Family: Debian Local Security Checks

Published: 8/24/2026

Updated: 8/24/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 58.19

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.4

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

CVSS Score Source: CVE-2026-64783

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: cpe:/o:debian:debian_linux:13.0, p-cpe:/a:debian:debian_linux:gir1.2-javascriptcoregtk-4.1, p-cpe:/a:debian:debian_linux:gir1.2-javascriptcoregtk-6.0, p-cpe:/a:debian:debian_linux:gir1.2-webkit-6.0, p-cpe:/a:debian:debian_linux:gir1.2-webkit2-4.1, p-cpe:/a:debian:debian_linux:libjavascriptcoregtk-4.0-bin, p-cpe:/a:debian:debian_linux:libjavascriptcoregtk-4.1-0, p-cpe:/a:debian:debian_linux:libjavascriptcoregtk-4.1-dev, p-cpe:/a:debian:debian_linux:libjavascriptcoregtk-6.0-1, p-cpe:/a:debian:debian_linux:libjavascriptcoregtk-6.0-dev, p-cpe:/a:debian:debian_linux:libjavascriptcoregtk-bin, p-cpe:/a:debian:debian_linux:libwebkit2gtk-4.0-doc, p-cpe:/a:debian:debian_linux:libwebkit2gtk-4.1-0, p-cpe:/a:debian:debian_linux:libwebkit2gtk-4.1-dev, p-cpe:/a:debian:debian_linux:libwebkitgtk-6.0-4, p-cpe:/a:debian:debian_linux:libwebkitgtk-6.0-dev, p-cpe:/a:debian:debian_linux:libwebkitgtk-doc, p-cpe:/a:debian:debian_linux:webkit2gtk-driver, p-cpe:/a:debian:debian_linux:webkitgtk-webdriver

Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l

Exploit Ease: No known exploits are available

Patch Publication Date: 8/24/2026

Vulnerability Publication Date: 7/27/2026

Reference Information

CVE: CVE-2026-43804, CVE-2026-64713, CVE-2026-64719, CVE-2026-64728, CVE-2026-64730, CVE-2026-64757, CVE-2026-64783

Detections

Analytics