CVE-2019-8720
Published: May 23, 2022
Official Description
WebKitGTK contains a memory corruption vulnerability which can allow an attacker to perform remote code execution.
CISA KEV Advisory
WebKitGTK Memory Corruption Vulnerability
WebKitGTK contains a memory corruption vulnerability which can allow an attacker to perform remote code execution.
Apply updates per vendor instructions.
Risk Analysis
This high-severity memory corruption vulnerability in WebKitGTK can allow an attacker to achieve remote code execution. Its presence in CISA's KEV catalog indicates confirmed exploitation, making it an urgent concern.
Active exploitation of this vulnerability has been observed in the wild, as confirmed by its inclusion in CISA's KEV catalog. Memory corruption in WebKitGTK typically implies remote exploitation through crafted web content.
Apply all available security updates for WebKitGTK. Ensure that web browsers and applications using WebKitGTK are kept up-to-date, and practice safe browsing habits.
Technical Analysis
CVE-2019-8720 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
CISA has added CVE-2019-8720 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.
Exploit & PoC Resources
All References (1)
Quick Facts
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2019-8720 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
- !CISA KEV: Federal agencies must patch per BOD 22-01 timeline
- !Active exploitation confirmed — treat as P1