{"id":"CVE-2021-21806","details":"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.","modified":"2026-03-13T00:54:01.459973Z","published":"2021-07-08T12:15:10.013Z","related":["ALSA-2021:4381","SUSE-SU-2021:3282-1","SUSE-SU-2021:3296-1","SUSE-SU-2021:3353-1","openSUSE-SU-2021:1369-1","openSUSE-SU-2021:3353-1","openSUSE-SU-2024:11506-1"],"references":[{"type":"ADVISORY","url":"http://www.openwall.com/lists/oss-security/2021/07/23/1"},{"type":"EVIDENCE","url":"https://talosintelligence.com/vulnerability_reports/TALOS-2020-1214"}],"affected":[{"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"2.30.3"}]}],"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-21806.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"}]}