{"schema_version":"1","data":[{"id":2946,"advisory_id":"62985a1b-0a90-4dbc-8a13-536059325a57","revision":1,"source_id":"core-kev","source_url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2021-4102","source_published_at":"2021-12-15T00:00:00+00:00","published_at":"2026-10-24T21:26:43.744979+00:00","extraction_method":"structured","technologies":["chromium-v8","core-kev"],"cve_ids":["CVE-2021-4102"],"event_types":["advisory"],"payload":{"kind":"advisory","title":"Google Chromium V8 Use-After-Free Vulnerability","summary":"Google Chromium V8 Engine contains a use-after-free vulnerability that allows a remote attacker to potentially exploit heap corruption 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-2021-4102","products":[{"name":{"value":"Chromium V8","evidence":"/product"},"prerequisites":[],"fixed_versions":[],"affected_versions":[]}],"severity":"unknown","structured":{"id":"CVE-2021-4102","aliases":["CVE-2021-4102"],"affected":[],"modified":"2021-12-15T00:00:00.000Z","provider":"kev","references":["https://www.cisa.gov/known-exploited-vulnerabilities-catalog"],"exploitation":{"cwes":["CWE-416"],"cveID":"CVE-2021-4102","notes":"https://nvd.nist.gov/vuln/detail/CVE-2021-4102","dueDate":"2021-12-29","product":"Chromium V8","dateAdded":"2021-12-15","vendorProject":"Google","requiredAction":"Apply updates per vendor instructions.","known_exploited":true,"shortDescription":"Google Chromium V8 Engine contains a use-after-free vulnerability that allows a remote attacker to potentially exploit heap corruption 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 V8 Use-After-Free Vulnerability","knownRansomwareCampaignUse":"Unknown"}},"related_cves":[{"value":"CVE-2021-4102","evidence":"/cveID"}],"security_relevant":true,"severity_evidence":null},"priority":{"reasons":["known_exploited"],"severity":"unknown","linked_cves":[],"fix_available":false,"known_exploited":true,"publisher_severity":"unknown"},"context_update":false}],"next_after":2946,"next_before":2946}