CVE-2019-8720

WebKitGTK Memory Corruption Vulnerability

  • High 8.8
  • Exploited: added to CISA KEV 23 May 2022

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.

Key facts

Published
6 Mar 2023
Last changed
7 Oct 2026
Assigned by
redhat
KEV added
23 May 2022
KEV fix due
13 Jun 2022
EPSS
1.556% likely to be exploited in the next 30 days, higher than 75.583% of CVEs (scores for 15 Nov 2026)
SSVC (CISA)
Exploitation: active; Automatable: no; Technical impact: total

Severity scores

Each score is shown as its source gave it. They are not averaged or merged.

  • 8.8CVSS 3.1, Highfrom CISA (ADP container)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

What to do

  • Apply updates per vendor instructions.CISA KEV required action

Historical context and remediation

This reference retains the original CVE publication date. A recent record update does not mean a new attack occurred.

No separately sourced impact summary is available on this page yet. Consult the description, version data and dated exploitation evidence.

Version statuses below come from the CNA. An “unaffected” version is not necessarily a currently supported release or proof of a patch date. EPSS is a dated risk estimate, not a count of historical attacks.

Read the original CVE record.

Affected products

VendorProductVersions
n/awebkitgtk
  • Fixed in webkitgtk 2.26.0 (affected)

Timeline

  1. 23 May 2022 Added to the CISA KEV catalogue
  2. 6 Mar 2023 Published

Weakness

References