Vulnerability · CVE-2019-8720
WebKitGTK Memory Corruption Vulnerability
Published May 23, 2022 · catalog updated Oct 8, 2026 · WebKitGTK WebKitGTK
Patch now
CVE-2019-8720 is in the CISA known-exploited catalog, due Jun 13, 2022. Confirm WebKitGTK WebKitGTK against the vendor advisory and apply that fix. The CVSS score does not change the priority.
- Severity
- High8.8
- Known exploitation
- CISA KEV and VulnCheck KEV
- EPSS
- 1.56%
- Remediation
- Remediation guidance
- Affected products
- cpe redhat/codeready linux builder · cpe redhat/codeready linux builder eus · cpe redhat/codeready linux builder for arm64 eus · cpe webkitgtk/webkitgtk · cpe wpewebkit/wpe webkit · vendor WebKitGTK WebKitGTK
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.
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- cpe redhat/codeready linux builder8.0
- cpe redhat/codeready linux builder eus8.4
- cpe redhat/codeready linux builder eus8.6
- cpe redhat/codeready linux builder for arm64 eus8.0
- cpe redhat/codeready linux builder for arm64 eus8.4
- cpe redhat/codeready linux builder for arm64 eus8.6
- cpe webkitgtk/webkitgtkversion unspecified
- cpe wpewebkit/wpe webkitversion unspecified
- vendor WebKitGTK WebKitGTKversion unspecified
How to fix CVE-2019-8720
Recommended remediation
Apply updates per vendor instructions. CISA due date Jun 13, 2022.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
CVE-2019-8720 is in the CISA known-exploited catalog, due Jun 13, 2022. Confirm WebKitGTK WebKitGTK against the vendor advisory and apply that fix. The CVSS score does not change the priority.
Which versions are affected?
Compare what you have installed with redhat/codeready linux builder 8.0; redhat/codeready linux builder eus 8.4; redhat/codeready linux builder eus 8.6; redhat/codeready linux builder for arm64 eus 8.0. Apply updates per vendor instructions.
What should an analyst verify?
CWE-119: Buffer Overflow. EPSS 1.56%. The CISA KEV listing is the exploitation evidence. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
May 23, 2022 · Catalog
Detected
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.
May 23, 2022 · CISA KEV
Known exploited
Apply updates per vendor instructions.
Jun 13, 2022 · CISA KEV
Remediation due
Apply updates per vendor instructions.
Oct 8, 2026 · Catalog
Updated
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.
Sources
- CISA KEVConfirmed exploitationCVE-2019-8720
WebKitGTK contains a memory corruption vulnerability which can allow an attacker to perform remote code execution.
cisa.gov - CVE.orgVulnerability recordCVE-2019-8720
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2019-8720
30-day exploitation probability 1.6%
first.org - NIST NVDVulnerability recordCVE-2019-8720
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.
nvd.nist.gov - VulnCheck KEVConfirmed exploitationCVE-2019-8720
WebKitGTK contains a memory corruption vulnerability which can allow an attacker to perform remote code execution.
vulncheck.com
References
Freshness
Last verified in this catalog Oct 17, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.