# CVE-2019-8720: WebKitGTK Memory Corruption Vulnerability

- Exploited (CISA KEV): yes, added 2022-05-23
- Published: 2023-03-06
- CVSS: 8.8 HIGH (v3.1)
- EPSS: 1.6% (75th percentile)
- CWE: CWE-119

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.

## Edge WAF coverage (claimed by vendors, not measured)

| Vendor | Status | First rule | Days after publication |
|---|---|---|---|
| Cloudflare | Before feed history | — | — |
| AWS | No public claim | — | — |
| Microsoft Azure | No public claim | — | — |
| Google Cloud | Before feed history | — | — |
| Fastly | Before feed history | — | — |
| F5 | No public claim | — | — |
| Akamai | No public source | — | — |
| OWASP CRS | No public claim | — | — |

"No public claim" means no vendor statement names this CVE; "Before feed history" means the CVE is older than the vendor feed. In both cases generic rules may still block it.

HTML: https://cve.vigilbase.com/cve/CVE-2019-8720 · JSON: https://cve.vigilbase.com/api/v1/cves/CVE-2019-8720