{"id":"CVE-2021-21193","aliases":[],"url":"https://o3.security/vulnerability/CVE-2021-21193","summary":null,"details":"Use after free in Blink in Google Chrome prior to 89.0.4389.90 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.","published":"2021-03-16T15:15:13.157Z","modified":"2026-04-16T04:35:39.165279168Z","cvss":{"score":8.8,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},"epss":{"score":0.0987,"percentile":0.95292,"asOf":"2026-09-14"},"cisaKev":null,"exploitsKnown":3,"affectedPackages":[],"fix":null,"references":[{"type":"WEB","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-21193"},{"type":"ADVISORY","url":"https://chromereleases.googleblog.com/2021/03/stable-channel-update-for-desktop_12.html"},{"type":"ADVISORY","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/N52OWF4BAP3JNK2QYGU3Q6QUVDZDCIMQ/"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/202104-08"},{"type":"ADVISORY","url":"https://www.debian.org/security/2021/dsa-4886"},{"type":"REPORT","url":"https://crbug.com/1186287"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-04-16T04:35:39.165279168Z"}}