{"id":"CVE-2021-21166","aliases":[],"url":"https://o3.security/vulnerability/CVE-2021-21166","summary":null,"details":"Data race in audio in Google Chrome prior to 89.0.4389.72 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.","published":"2021-03-09T18:15:16.297Z","modified":"2026-04-16T04:39:27.830668662Z","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":0.26723,"percentile":0.9792,"asOf":"2026-09-16"},"cisaKev":null,"exploitsKnown":3,"affectedPackages":[],"fix":null,"references":[{"type":"WEB","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-21166"},{"type":"ADVISORY","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LCIDZ77XUDMB2EBPPWCQXPEIJERDNSNT/"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/202104-08"},{"type":"ADVISORY","url":"https://www.debian.org/security/2021/dsa-4886"},{"type":"ADVISORY","url":"https://chromereleases.googleblog.com/2021/03/stable-channel-update-for-desktop.html"},{"type":"ADVISORY","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BBT54RKAE5XLMWSHLVUKJ7T2XHHYMXLH/"},{"type":"ADVISORY","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FE5SIKEVYTMDCC5OSXGOM2KRPYLHYMQX/"},{"type":"REPORT","url":"https://crbug.com/1177465"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-04-16T04:39:27.830668662Z"}}