CVE-2020-9893

webkitgtk: Use-after-free may lead to application termination or arbitrary code execution

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Severity

Moderate

Red Hat Product Security

8.8

CVSS 3.1

Review impact separately from score.

Published · July 29, 2020

Updated · June 27, 2026

Description

A use-after-free issue was found in webkitgtk that affected WebKitGTK versions before 2.28.4 and WPE WebKit versions before 2.28.4. This flaw allows a remote attacker to cause unexpected application termination or arbitrary code execution. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

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

CWE-825 · Expired Pointer Dereference