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Debian dla-4528 : gir1.2-javascriptcoregtk-4.0 - security update
medium Nessus Plugin ID 307668
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-4528 advisory.- ------------------------------------------------------------------------- Debian LTS Advisory DLA-4528-1 [email protected] https://www.debian.org/lts/security/ Emilio Pozuelo Monfort April 11, 2026 https://wiki.debian.org/LTS
- -------------------------------------------------------------------------
Package : webkit2gtk Version : 2.50.6-1~deb11u1 CVE ID : CVE-2025-43214 CVE-2025-43457 CVE-2025-43511 CVE-2026-20608 CVE-2026-20635 CVE-2026-20636 CVE-2026-20644 CVE-2026-20652 CVE-2026-20676
The following vulnerabilities have been discovered in the WebKitGTK web engine:
CVE-2025-43214
shandikri discovered that processing maliciously crafted web content may lead to an unexpected process crash.
CVE-2025-43457
Gary Kwong and Hossein Lotfi discovered that processing maliciously crafted web content may lead to an unexpected process crash.
CVE-2025-43511
Lee Dong Ha discovered that processing maliciously crafted web content may lead to an unexpected process crash.
CVE-2026-20608
HanQing and Nan Wang discovered that processing maliciously crafted web content may lead to an unexpected process crash.
CVE-2026-20635
EntryHi discovered that processing maliciously crafted web content may lead to an unexpected process crash.
CVE-2026-20636
EntryHi discovered that processing maliciously crafted web content may lead to an unexpected process crash.
CVE-2026-20644
HanQing and Nan Wang discovered that processing maliciously crafted web content may lead to an unexpected process crash.
CVE-2026-20652
Nathaniel Oh discovered that a remote attacker may be able to cause a denial-of-service.
CVE-2026-20676
Tom Van Goethem discovered that a website may be able to track users through web extensions.
For Debian 11 bullseye, these problems have been fixed in version 2.50.6-1~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-2025-43214
https://security-tracker.debian.org/tracker/CVE-2025-43457
https://security-tracker.debian.org/tracker/CVE-2025-43511
https://security-tracker.debian.org/tracker/CVE-2026-20608
https://security-tracker.debian.org/tracker/CVE-2026-20635
https://security-tracker.debian.org/tracker/CVE-2026-20636
https://security-tracker.debian.org/tracker/CVE-2026-20644
https://security-tracker.debian.org/tracker/CVE-2026-20652
Plugin Details
Severity: Medium
ID: 307668
File Name: debian_DLA-4528.nasl
Version: 1.2
Type: Local
Agent: unix
Family: Debian Local Security Checks
Published: 4/21/2026
Updated: 4/21/2026
Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Nessus Agent, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 4.4
CVSS v2
Risk Factor: Medium
Base Score: 5
Temporal Score: 3.7
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N
CVSS Score Source: CVE-2026-20676
CVSS v3
Risk Factor: Medium
Base Score: 5.3
Temporal Score: 4.6
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C
Vulnerability Information
CPE: cpe:/o:debian:debian_linux:11.0, p-cpe:/a:debian:debian_linux:gir1.2-javascriptcoregtk-4.0, p-cpe:/a:debian:debian_linux:gir1.2-webkit2-4.0, p-cpe:/a:debian:debian_linux:libjavascriptcoregtk-4.0-18, 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, 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:webkit2gtk-driver
Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l
Exploit Ease: No known exploits are available
Patch Publication Date: 4/11/2026
Vulnerability Publication Date: 7/29/2025
Reference Information
CVE: CVE-2025-43214, CVE-2025-43457, CVE-2025-43511, CVE-2026-20608, CVE-2026-20635, CVE-2026-20636, CVE-2026-20644, CVE-2026-20652, CVE-2026-20676