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WebKitGTK Multiple Vulnerabilities Security Advisory

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Summary

CERT-Bund issued security advisory WID-SEC-2026-0911 identifying multiple vulnerabilities in WebKitGTK (versions before 2.52.1). The vulnerabilities have a CVSS Base Score of 6.5 (medium) and enable denial of service attacks, security feature bypass, information disclosure, and cross-site scripting attacks. Remote exploitation is possible. Mitigation is available via version update.

Published by CERT-Bund on wid.cert-bund.de . Detected, standardized, and enriched by GovPing. Review our methodology and editorial standards .
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What changed

CERT-Bund published security advisory WID-SEC-2026-0911 detailing multiple vulnerabilities in WebKitGTK affecting versions prior to 2.52.1. The vulnerabilities have CVSS Base Score 6.5 (medium) and CVSS Temporal Score 5.7 (medium). Affected attack vectors include denial of service, security bypass, information disclosure, and cross-site scripting (XSS) attacks. The affected platforms include Linux, UNIX, and other operating systems.

Organizations running WebKitGTK should update to version 2.52.1 or later to remediate these vulnerabilities. Security teams should identify all deployments of WebKitGTK in their infrastructure and apply the update promptly. The advisory confirms mitigations are available.

What to do next

  1. Identify all systems running WebKitGTK versions before 2.52.1 in your infrastructure
  2. Update WebKitGTK to version 2.52.1 or later to address the vulnerabilities
  3. Verify that denial of service, information disclosure, and cross-site scripting protections are functioning after the update

Archived snapshot

Mar 30, 2026

GovPing captured this document from the original source. If the source has since changed or been removed, this is the text as it existed at that time.

[WID-SEC-2026-0911] WebKitGTK: Mehrere Schwachstellen CVSS Base Score 6.5 (mittel) CVSS Temporal Score 5.7 (mittel) Remoteangriff ja Datum 29.03.2026 Stand 30.03.2026 Mitigation ja

Betroffene Systeme

Betriebssystem

  • Linux
  • Sonstiges
  • UNIX

Produktbeschreibung

WebKitGTK ist ein Webbrowser. Dieser nutzt die WebKit-Engine, die auch von Safari und vielen anderen Apps auf macOS, iOS und Linux verwendet wird.

Produkte

29.03.2026
- Open Source WebKitGTK <2.52.1

Angriff

Angriff

Ein Angreifer kann mehrere Schwachstellen in WebKitGTK ausnutzen, um einen Denial of Service Angriff durchzuführen, um Sicherheitsvorkehrungen zu umgehen, um Informationen offenzulegen, und um einen Cross-Site Scripting Angriff durchzuführen. CVE Informationen Versionshistorie Feedback zum Advisory geben

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Source

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CERT-Bund Security Advisories wid.cert-bund.de/content/public/securityAdvisory/rss
Data Privacy & Cybersecurity

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Classification

Agency
CERT-Bund
Published
March 29th, 2026
Instrument
Notice
Legal weight
Non-binding
Stage
Final
Change scope
Minor
Document ID
WID-SEC-2026-0911

Who this affects

Applies to
Technology companies Government agencies
Industry sector
5112 Software & Technology
Activity scope
Software Vulnerability Management IT Infrastructure Security Patch Management
Threshold
Open Source WebKitGTK versions prior to 2.52.1
Geographic scope
Germany DE

Taxonomy

Primary area
Cybersecurity
Operational domain
IT Security
Compliance frameworks
NIST CSF
Topics
Data Privacy Product Safety

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