# CVE-2019-8720: WebKitGTK Memory Corruption Vulnerability

Source: https://junglewise.ai/threats/cve-2019-8720-webkitgtk-memory-corruption-vulnerability  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2022-05-23. Updated: 2026-05-10  
License: CC BY 4.0 with a link back

CVE-2019-8720 · Severity: critical · CVSS 8.8 · Exploited in the wild · Published 2022-05-23

WebKitGTK contains a memory corruption vulnerability triggered when processing maliciously crafted web content. This flaw, caused by improper memory handling, can allow an attacker to perform arbitrary remote code execution.

Technologies: [WebKitGTK](https://junglewise.ai/threats/technologies/webkitgtk). Vendors: [Webkitgtk](https://junglewise.ai/threats/vendors/webkitgtk).

## Quick answers

**Is CVE-2019-8720 exploited in the wild?** Yes. CVE-2019-8720 is known to be exploited in the wild, first recorded on 23 May 2022. Treat it as urgent.

**How severe is CVE-2019-8720?** Critical severity, with a CVSS score of 8.8, published 23 May 2022.

**Which products and versions are affected?** WebKitGTK WebKitGTK; Red Hat Enterprise Linux 7.0, 8.0, 8.4, 8.6.

**Is there a fix for CVE-2019-8720?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2019-8720 attacked?** It is attacked over the network, in a software library.

**Am I affected by CVE-2019-8720?** Check whether you run WebKitGTK. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Affected products

- WebKitGTK WebKitGTK
- Red Hat Enterprise Linux 7.0, 8.0, 8.4, 8.6

## Timeline

- 2019-11-05: advisory: WebKitGTK Security Advisory WSA-2019-0005 published
- 2022-05-23: kev added: Added to CISA Known Exploited Vulnerabilities Catalog
- 2022-05-23: disclosed: NVD publication date
- 2022-05-23: exploited: Confirmed as exploited in the wild per CISA KEV catalog

## Related threats

- [WebKitGTK memory corruption in web content processing](https://junglewise.ai/threats/cve-2026-83596-webkitgtk-memory-corruption-in-web-content-processing)