{"schema_version":"1","data":[{"id":3695,"advisory_id":"86074787-ac10-4ba3-b79b-bd25c0554344","revision":1,"source_id":"core-kev","source_url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2021-1905","source_published_at":"2021-11-03T00:00:00+00:00","published_at":"2026-10-24T21:39:45.602297+00:00","extraction_method":"structured","technologies":["core-kev","multiple-chipsets"],"cve_ids":["CVE-2021-1905"],"event_types":["advisory"],"payload":{"kind":"advisory","title":"Qualcomm Multiple Chipsets Use-After-Free Vulnerability","summary":"Multiple Qualcomm Chipsets contain a use after free vulnerability due to improper handling of memory mapping of multiple processes simultaneously. CISA required action: Apply updates per vendor instructions.","evidence":"kev:CVE-2021-1905","products":[{"name":{"value":"Multiple Chipsets","evidence":"/product"},"prerequisites":[],"fixed_versions":[],"affected_versions":[]}],"severity":"unknown","structured":{"id":"CVE-2021-1905","aliases":["CVE-2021-1905"],"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-2021-1905","notes":"https://nvd.nist.gov/vuln/detail/CVE-2021-1905","dueDate":"2022-05-03","product":"Multiple Chipsets","dateAdded":"2021-11-03","vendorProject":"Qualcomm","requiredAction":"Apply updates per vendor instructions.","known_exploited":true,"shortDescription":"Multiple Qualcomm Chipsets contain a use after free vulnerability due to improper handling of memory mapping of multiple processes simultaneously.","vulnerabilityName":"Qualcomm Multiple Chipsets Use-After-Free Vulnerability","knownRansomwareCampaignUse":"Unknown"}},"related_cves":[{"value":"CVE-2021-1905","evidence":"/cveID"}],"security_relevant":true,"severity_evidence":null}}],"next_after":3695,"next_before":3695}