How severe is CVE-2019-8720?

CVE-2019-8720 has a CVSS 3.1 base score of 8.8 (HIGH). EPSS estimates a 1.6% probability of exploitation in the next 30 days. It is listed in the CISA Known Exploited Vulnerabilities catalog.

CVE-2019-8720: WebKitGTK Memory Corruption

CISA Known Exploited Vulnerabilities

WebKitGTK Memory Corruption Vulnerability is confirmed as actively exploited and is listed in the CISA KEV catalog.

Added to KEV

2022-05-23

Remediation due

2022-06-13

Required action
Apply updates per vendor instructions.

CISA notes
https://nvd.nist.gov/vuln/detail/CVE-2019-8720

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.

Severity

CVSS 3.1 · CISA8.8 HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

SSVC · CISA-ADP

Exploitationactive

Automatableno

Technical impacttotal

Affected Products

Vendor	Product	Affected versions
-	webkitgtk	Fixed in webkitgtk 2.26.0

References

2 Links

Other references

Record Details

Published

2023-03-06

Last updated

2025-10-21

Assigner (CNA)

redhat

Credited to

Related Tool Categories

Tool categories that test for or protect against this vulnerability class.

CWE-119 · Improper Restriction of Memory Buffer

Fuzzing Binary Exploitation

CVE record data © The MITRE Corporation, used under the CVE Terms of Use. Exploited-in-the-wild data from the CISA Known Exploited Vulnerabilities catalog (CC0). Exploit prediction scores by FIRST EPSS (first.org/epss). This site is not endorsed or certified by MITRE, NVD, CISA, or FIRST.