Debian dla-4414 : gir1.2-javascriptcoregtk-4.0 - security update

high Nessus Plugin ID 279111

Synopsis

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

Description

The remote Debian 11 host has packages installed that are affected by multiple vulnerabilities as referenced in the dla-4414 advisory.

- ------------------------------------------------------------------------- Debian LTS Advisory DLA-4414-1 [email protected] https://www.debian.org/lts/security/ Emilio Pozuelo Monfort December 18, 2025 https://wiki.debian.org/LTS
- -------------------------------------------------------------------------

Package : webkit2gtk Version : 2.50.4-1~deb11u1 CVE ID : CVE-2025-14174 CVE-2025-43501 CVE-2025-43529 CVE-2025-43531 CVE-2025-43535 CVE-2025-43536 CVE-2025-43541

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

CVE-2025-14174

Apple and the Google Threat Analysis Group discovered that processing maliciously crafted web content may lead to memory corruption. 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-2025-43529 was also issued in response to this report.

CVE-2025-43501

Hossein Lotfi discovered that processing maliciously crafted web content may lead to an unexpected process crash.

CVE-2025-43529

The Google Threat Analysis Group discovered that 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-2025-43531

Phil Pizlo discovered that processing maliciously crafted web content may lead to an unexpected process crash.

CVE-2025-43535

Google Big Sleep / Nan Wang discovered that processing maliciously crafted web content may lead to an unexpected process crash.

CVE-2025-43536

Nan Wang discovered that processing maliciously crafted web content may lead to an unexpected process crash.

CVE-2025-43541

Hossein Lotfi discovered that processing maliciously crafted web content may lead to an unexpected process crash.

For Debian 11 bullseye, these problems have been fixed in version 2.50.4-1~deb11u1.

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 LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: https://wiki.debian.org/LTS

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-4.0 packages.

See Also

https://security-tracker.debian.org/tracker/source-package/webkit2gtk

https://security-tracker.debian.org/tracker/CVE-2025-14174

https://security-tracker.debian.org/tracker/CVE-2025-43501

https://security-tracker.debian.org/tracker/CVE-2025-43529

https://security-tracker.debian.org/tracker/CVE-2025-43531

https://security-tracker.debian.org/tracker/CVE-2025-43535

https://security-tracker.debian.org/tracker/CVE-2025-43536

https://security-tracker.debian.org/tracker/CVE-2025-43541

https://packages.debian.org/source/bullseye/webkit2gtk

Plugin Details

Severity: High

ID: 279111

File Name: debian_DLA-4414.nasl

Version: 1.1

Type: local

Agent: unix

Published: 12/18/2025

Updated: 12/18/2025

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Critical

Score: 9.2

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 8.3

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

CVSS Score Source: CVE-2025-43529

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 8.2

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:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:libjavascriptcoregtk-4.0-18, cpe:/o:debian:debian_linux:11.0, p-cpe:/a:debian:debian_linux:webkit2gtk-driver, p-cpe:/a:debian:debian_linux:gir1.2-webkit2-4.0, p-cpe:/a:debian:debian_linux:libwebkit2gtk-4.0-dev, p-cpe:/a:debian:debian_linux:libwebkit2gtk-4.0-doc, p-cpe:/a:debian:debian_linux:gir1.2-javascriptcoregtk-4.0, p-cpe:/a:debian:debian_linux:libjavascriptcoregtk-4.0-bin, p-cpe:/a:debian:debian_linux:libjavascriptcoregtk-4.0-dev, p-cpe:/a:debian:debian_linux:libwebkit2gtk-4.0-37

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 12/18/2025

Vulnerability Publication Date: 12/10/2025

CISA Known Exploited Vulnerability Due Dates: 1/2/2026, 1/5/2026

Reference Information

CVE: CVE-2025-14174, CVE-2025-43501, CVE-2025-43529, CVE-2025-43531, CVE-2025-43535, CVE-2025-43536, CVE-2025-43541