WebKitGTK CVE debriefs

These pages are published after PatchSiren validates generated defensive summaries against stored public CVE and source evidence.

HIGH WebKitGTK CVE published 2026-08-31

CVE-2026-83596

A memory corruption vulnerability was found in WebKitGTK, which could be triggered by processing malicious web content. This issue is caused by improper memory handling. The CVSS score for this vulnerability is 8.8, indicating a high severity. The CVE record was published on 2026-08-31T21:17:55.190Z and was last modified on 2026-09-22T15:17:18.813Z.

Known exploited WebKitGTK CVE published 2022-05-23

CVE-2019-8720

CVE-2019-8720 is a WebKitGTK memory corruption vulnerability that CISA has listed in its Known Exploited Vulnerabilities catalog. The supplied KEV record indicates remediation should follow vendor instructions, with CISA’s due date set for 2022-06-13 after the 2022-05-23 listing.