{"action":"Upgrade webkit2gtk to 2.30.6-1 or later.","affected":[{"fixed":"2.30.6-1","introduced":"0"}],"component":"webkit2gtk","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["2.30.6-1"],"id":"tcs_01M5NFDV04C157QBFCYYPHA3AP","modified_at":"2026-10-23T18:04:49.654578240Z","published_at":"2021-07-08T12:15:10.013Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2021-21806","https://security-tracker.debian.org/tracker/CVE-2021-21806"],"severity":{"label":"high","score":8.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2021-21806","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2021-21806"}],"summary":"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."}