CVE-2019-8720
WebKitGTK Memory Corruption Vulnerability
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 13 June 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
Description
A vulnerability was found in WebKit. The flaw is triggered when processing maliciously crafted web content that may lead to arbitrary code execution. Improved memory handling addresses the multiple memory corruption issues.
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 1.56% probability · 75th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Listed 23 May 2022 · due 13 June 2022
- Weakness
- CWE-119
- Affected
- webkitgtk/webkitgtk · wpewebkit/wpe webkit · redhat/codeready linux builder · redhat/codeready linux builder eus · redhat/codeready linux builder for arm64 eus · redhat/codeready linux builder for ibm z systems eus · redhat/codeready linux builder for power little endian eus · redhat/enterprise linux · redhat/enterprise linux desktop · redhat/enterprise linux eus · redhat/enterprise linux for arm64 eus · redhat/enterprise linux for ibm z systems · redhat/enterprise linux for ibm z systems eus · redhat/enterprise linux for power big endian · redhat/enterprise linux for power little endian · redhat/enterprise linux for power little endian eus · redhat/enterprise linux for scientific computing · redhat/enterprise linux server · redhat/enterprise linux server aus · redhat/enterprise linux server for power little endian update services for sap solutions · +3 more
- Source
- secalert@redhat.com
EPSS 1.6% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
CISA notes
Apply updates per vendor instructions. https://nvd.nist.gov/vuln/detail/CVE-2019-8720
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1876611Issue Tracking, Third Party Advisory
- https://webkitgtk.org/security/WSA-2019-0005.htmlVendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1876611Issue Tracking, Third Party Advisory
- https://webkitgtk.org/security/WSA-2019-0005.htmlVendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-8720US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.