{"schema_version":"1","data":[{"id":3566,"advisory_id":"4029b764-59c0-43bb-8c21-d8854caffdec","revision":1,"source_id":"core-kev","source_url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2021-30633","source_published_at":"2021-11-03T00:00:00+00:00","published_at":"2026-10-24T21:37:39.033672+00:00","extraction_method":"structured","technologies":["chromium-indexed-db-api","core-kev"],"cve_ids":["CVE-2021-30633"],"event_types":["advisory"],"payload":{"kind":"advisory","title":"Google Chromium Indexed DB API Use-After-Free Vulnerability","summary":"Google Chromium Indexed DB API contains a use-after-free vulnerability that allows a remote attacker, who has compromised the renderer process, to potentially perform a sandbox escape via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera. CISA required action: Apply updates per vendor instructions.","evidence":"kev:CVE-2021-30633","products":[{"name":{"value":"Chromium Indexed DB API","evidence":"/product"},"prerequisites":[],"fixed_versions":[],"affected_versions":[]}],"severity":"unknown","structured":{"id":"CVE-2021-30633","aliases":["CVE-2021-30633"],"affected":[],"modified":"2021-11-03T00:00:00.000Z","provider":"kev","references":["https://www.cisa.gov/known-exploited-vulnerabilities-catalog"],"exploitation":{"cwes":["CWE-416"],"cveID":"CVE-2021-30633","notes":"https://nvd.nist.gov/vuln/detail/CVE-2021-30633","dueDate":"2021-11-17","product":"Chromium Indexed DB API","dateAdded":"2021-11-03","vendorProject":"Google","requiredAction":"Apply updates per vendor instructions.","known_exploited":true,"shortDescription":"Google Chromium Indexed DB API contains a use-after-free vulnerability that allows a remote attacker, who has compromised the renderer process, to potentially perform a sandbox escape via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera.","vulnerabilityName":"Google Chromium Indexed DB API Use-After-Free Vulnerability","knownRansomwareCampaignUse":"Unknown"}},"related_cves":[{"value":"CVE-2021-30633","evidence":"/cveID"}],"security_relevant":true,"severity_evidence":null}}],"next_after":3566,"next_before":3566}