{"id":"CVE-2021-30551","aliases":[],"url":"https://o3.security/vulnerability/CVE-2021-30551","summary":null,"details":"Type confusion in V8 in Google Chrome prior to 91.0.4472.101 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.","published":"2021-06-15T22:15:09.067Z","modified":"2026-03-15T22:37:09.527375Z","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":0.64701,"percentile":0.99201,"asOf":"2026-09-16"},"cisaKev":null,"exploitsKnown":6,"affectedPackages":[],"fix":null,"references":[{"type":"WEB","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-30551"},{"type":"ADVISORY","url":"https://chromereleases.googleblog.com/2021/06/stable-channel-update-for-desktop.html"},{"type":"ADVISORY","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ETMZL6IHCTCTREEL434BQ4THQ7EOHJ43/"},{"type":"ADVISORY","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PAT6EOXVQFE6JFMFQF4IKAOUQSHMHL54/"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/202107-06"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/202208-25"},{"type":"REPORT","url":"https://crbug.com/1216437"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-03-15T22:37:09.527375Z"}}