CVE-2019-8720
HIGHCVSS 8.8/10Actively ExploitedEPSS 1.56%
Last modified
CVE-2019-8720 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. A vulnerability was found in WebKit. The flaw is triggered when processing maliciously crafted web content that may lead to arbitrary code execution. CISA has confirmed active exploitation in the wild. EPSS estimates a 1.56% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Exploitation Status
This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by .
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Webkitgtk | Webkitgtk | < 2.26.0 |
| Wpewebkit | Wpe Webkit | < 2.26.0 |
| 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 |
| Redhat | Codeready Linux Builder For Arm64 Eus | 8.4 |
| Redhat | Codeready Linux Builder For Arm64 Eus | 8.6 |
| Redhat | Codeready Linux Builder For Ibm Z Systems Eus | 8.0 |
| Redhat | Codeready Linux Builder For Ibm Z Systems Eus | 8.4 |
| Redhat | Codeready Linux Builder For Ibm Z Systems Eus | 8.6 |
| Redhat | Codeready Linux Builder For Power Little Endian Eus | 8.0 |
| Redhat | Codeready Linux Builder For Power Little Endian Eus | 8.4 |
| Redhat | Codeready Linux Builder For Power Little Endian Eus | 8.6 |
| Redhat | Enterprise Linux | 8.0 |
| Redhat | Enterprise Linux Desktop | 7.0 |
| Redhat | Enterprise Linux Eus | 8.4 |
| Redhat | Enterprise Linux Eus | 8.6 |
| Redhat | Enterprise Linux For Arm64 Eus | 8.6 |
| Redhat | Enterprise Linux For Ibm Z Systems | 7.0 |
| Redhat | Enterprise Linux For Ibm Z Systems | 8.0 |
| Redhat | Enterprise Linux For Ibm Z Systems Eus | 8.4 |
| Redhat | Enterprise Linux For Ibm Z Systems Eus | 8.6 |
| Redhat | Enterprise Linux For Power Big Endian | 7.0 |
| Redhat | Enterprise Linux For Power Little Endian | 7.0 |
| Redhat | Enterprise Linux For Power Little Endian | 8.0 |
| Redhat | Enterprise Linux For Power Little Endian Eus | 8.4 |
| Redhat | Enterprise Linux For Power Little Endian Eus | 8.6 |
| Redhat | Enterprise Linux For Scientific Computing | 7.0 |
| Redhat | Enterprise Linux Server | 7.0 |
| Redhat | Enterprise Linux Server Aus | 8.4 |
| Redhat | Enterprise Linux Server Aus | 8.6 |
| Redhat | Enterprise Linux Server For Power Little Endian Update Services For Sap Solutions | 8.4 |
| Redhat | Enterprise Linux Server For Power Little Endian Update Services For Sap Solutions | 8.6 |
| Redhat | Enterprise Linux Server Tus | 8.4 |
| Redhat | Enterprise Linux Server Tus | 8.6 |
| Redhat | Enterprise Linux Server Update Services For Sap Solutions | 8.4 |
| Redhat | Enterprise Linux Server Update Services For Sap Solutions | 8.6 |
| Redhat | Enterprise Linux Workstation | 7.0 |
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
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-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.
How severe is CVE-2019-8720?
CVE-2019-8720 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 1.56% probability of exploitation in the next 30 days. This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog.
How do I fix CVE-2019-8720?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2019
- CVE-2019-8712A memory corruption issue was addressed with improved memory…9.8
- CVE-2019-8715A memory corruption issue was addressed with improved memory…7.8
- CVE-2019-8716A memory corruption issue was addressed with improved memory…9.8
- CVE-2019-8717A memory corruption issue was addressed with improved memory…7.8
- CVE-2019-8718A memory corruption issue was addressed with improved memory…7.8
- CVE-2019-8719A logic issue was addressed with improved state management. …6.1
- CVE-2019-8721Multiple issues in ld64 in the Xcode toolchains were address…8.8
- CVE-2019-8722Multiple issues in ld64 in the Xcode toolchains were address…8.8
- CVE-2019-8723Multiple issues in ld64 in the Xcode toolchains were address…8.8
- CVE-2019-8724Multiple issues in ld64 in the Xcode toolchains were address…8.8
- CVE-2019-8725The issue was addressed with improved handling of service wo…5.3
- CVE-2019-8726Multiple memory corruption issues were addressed with improv…8.8
Are you affected by CVE-2019-8720?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST