{"schema_version":"1","data":[{"id":3508,"advisory_id":"9072cd81-ff7a-4c4c-9c4c-c725f7af339a","revision":1,"source_id":"core-kev","source_url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2021-30665","source_published_at":"2021-11-03T00:00:00+00:00","published_at":"2026-10-24T21:36:17.58161+00:00","extraction_method":"structured","technologies":["core-kev","multiple-products"],"cve_ids":["CVE-2021-30665"],"event_types":["advisory"],"payload":{"kind":"advisory","title":"Apple Multiple Products WebKit Memory Corruption Vulnerability","summary":"Apple iOS, iPadOS, macOS, watchOS, and tvOS WebKit contain a memory corruption vulnerability that leads to code execution when processing maliciously crafted web content. This vulnerability could impact HTML parsers that use WebKit, including but not limited to Apple Safari and non-Apple products which rely on WebKit for HTML processing. CISA required action: Apply updates per vendor instructions.","evidence":"kev:CVE-2021-30665","products":[{"name":{"value":"Multiple Products","evidence":"/product"},"prerequisites":[],"fixed_versions":[],"affected_versions":[]}],"severity":"unknown","structured":{"id":"CVE-2021-30665","aliases":["CVE-2021-30665"],"affected":[],"modified":"2021-11-03T00:00:00.000Z","provider":"kev","references":["https://www.cisa.gov/known-exploited-vulnerabilities-catalog"],"exploitation":{"cwes":["CWE-787"],"cveID":"CVE-2021-30665","notes":"https://nvd.nist.gov/vuln/detail/CVE-2021-30665","dueDate":"2021-11-17","product":"Multiple Products","dateAdded":"2021-11-03","vendorProject":"Apple","requiredAction":"Apply updates per vendor instructions.","known_exploited":true,"shortDescription":"Apple iOS, iPadOS, macOS, watchOS, and tvOS WebKit contain a memory corruption vulnerability that leads to code execution when processing maliciously crafted web content. This vulnerability could impact HTML parsers that use WebKit, including but not limited to Apple Safari and non-Apple products which rely on WebKit for HTML processing.","vulnerabilityName":"Apple Multiple Products WebKit Memory Corruption Vulnerability","knownRansomwareCampaignUse":"Unknown"}},"related_cves":[{"value":"CVE-2021-30665","evidence":"/cveID"}],"security_relevant":true,"severity_evidence":null}}],"next_after":3508,"next_before":3508}