AUGUST 4, 2026
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Case File

CVE-2021-21779

HIGH · CVSS 8.8 EPSS 2.91%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-07-08 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 8.8. See the original NVD description below for full technical details.

CVE
CVE-2021-21779
Severity
HIGH
CVSS
8.8
EPSS
2.91%

Original NVD Description

A use-after-free vulnerability exists in the way Webkit’s GraphicsContext handles certain events in WebKitGTK 2.30.4. A specially crafted web page can lead to a potential information leak and further memory corruption. A victim must be tricked into visiting a malicious web page to trigger this vulnerability.

Related CVEs

Other vulnerabilities affecting the same vendor(s)