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CVE-2021-21806

Published: 7/8/2021 Last updated: 8/3/2024 Reserved: 1/4/2021

An exploitable use-after-free vulnerability exists in WebKitGTK browser version 2.30.3 x64. A specially crafted HTML web page can cause a use-after-free condition, resulting in remote code execution. The victim needs to visit a malicious web site to trigger the vulnerability.

CNA assigner: talos (b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b) Requested by: n/a

Metrics

Version Score Severity Vector String
3.0 8.8 High CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Opam packages affected (1)

javascriptcore

Products affected (1)

Product Vendor Version
Webkit n/a < 23.2R1-S2-EVO, 23.2R2-EVO

References (4)