CVE-2020-13543

HighCVSS 8.8/10Last modified Jun 17, 2026

Description

A code execution vulnerability exists in the WebSocket functionality of Webkit WebKitGTK 2.30.0. A specially crafted web page can trigger a use-after-free vulnerability which can lead to remote code execution. An attacker can get a user to visit a webpage to trigger this vulnerability.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Dec 3, 2020
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2020-13543: High severity, CVSS 8.8 | Vulnix