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CVE-2019-8720 — WebKitGTK Memory Corruption Vulnerability

Actively-exploited vulnerability intelligence · Sentinel APEX™ live threat feed

HIGH severity🔴 Actively Exploited · CISA KEV

🔴 CVE-2019-8720 is being actively exploited in the wild. Check if your infrastructure is exposed: ⚡ Free Exposure Scan

Overview

WebKitGTK contains a memory corruption vulnerability which can allow an attacker to perform remote code execution.

Vulnerability details

CVE ID: CVE-2019-8720
Vulnerability: WebKitGTK Memory Corruption Vulnerability
Vendor: WebKitGTK
Affected products: WebKitGTK: WebKitGTK
Severity: HIGH
Exploitation status: Actively exploited in the wild (CISA KEV)
Published: 2022-05-23

Remediation guidance

CVE-2019-8720 is in CISA's Known Exploited Vulnerabilities (KEV) catalog — U.S. federal civilian agencies are required to remediate it under Binding Operational Directive 22-01. Treat it as a priority for every environment.

Apply the vendor's official security update for WebKitGTK the affected product as soon as possible. Where a patch is unavailable, apply vendor mitigations or isolate/segment exposed systems.

Hunt for indicators of compromise tied to this vulnerability and confirm logging/EDR coverage on affected assets.

Authoritative references

Remediate CVE-2019-8720 — and stay ahead of the next one

CVE-2019-8720 is listed in the CISA KEV catalog as actively exploited — treat remediation as urgent. Scan your domain free to see whether CVE-2019-8720 and other WebKitGTK issues affect you and get a prioritized remediation report (full report from ₹999) — or stream the full feed of 1,600+ actively-exploited CVEs straight into your SOC.

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