{"id":"CVE-2023-43000","published":"2025-11-05T19:15:47Z","modified":"2026-10-28T19:10:00Z","title":"Apple Multiple products Use-After-Free Vulnerability","vendor":"Apple","product":"Multiple Products","tier":"core","eol":null,"description":{"text":"A use-after-free issue was addressed with improved memory management. This issue is fixed in macOS Ventura 13.5, iOS 16.6 and iPadOS 16.6, Safari 16.6, iOS 15.8.7 and iPadOS 15.8.7. Processing maliciously crafted web content may lead to memory corruption.","provenance":"source","from":"NVD"},"summary":{"text":"Apple's multiple products, including macOS, iOS, iPadOS and Safari, contain a use-after-free memory flaw that the vendor addressed through improved memory management. An attacker can cause memory corruption by getting a user to process maliciously crafted web content, which requires user interaction and no prior authentication or network access beyond delivering that content.","provenance":"ai","model":"claude-haiku-5-5","generatedAt":"2026-10-23T07:11:20Z"},"cvss":{"score":8.8,"severity":"HIGH","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","provenance":"source","from":"NVD"},"epss":{"score":0.04042,"percentile":0.90592,"date":"2026-10-29","provenance":"source"},"kev":{"dateAdded":"2026-03-05","dueDate":"2026-03-26","ransomware":false,"requiredAction":"Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.","notes":"https://support.apple.com/en-us/120324 ; https://support.apple.com/en-us/120331 ; https://support.apple.com/en-us/120338 ; https://nvd.nist.gov/vuln/detail/CVE-2023-43000","provenance":"source"},"vulncheckKev":{"dateAdded":"2026-03-03","exploitedFirstSeen":"2026-03-03","ransomware":false,"evidence":[{"url":"https://cloud.google.com/blog/topics/threat-intelligence/coruna-powerful-ios-exploit-kit/","date":"2026-03-03"},{"url":"https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json","date":"2026-03-05"}],"evidenceTotal":2,"provenance":"source"},"exploited":true,"otx":{"pulseCount":50,"pulses":[{"name":"Inside Coruna and DarkSword Chains: From Web Lures to iOS Exploitation","url":"https://otx.alienvault.com/pulse/6ae45373ec45a11f4f945be7","created":"2026-10-30"},{"name":"Inside Coruna and DarkSword Chains: From Web Lures to iOS Exploitation","url":"https://otx.alienvault.com/pulse/6ae38bc6be61d23c0f7a2165","created":"2026-10-29"},{"name":"Actively_Exploited_Kev | Oct 30, 2026","url":"https://otx.alienvault.com/pulse/6ae35d889ea92b4ce19c2680","created":"2026-10-29"},{"name":"Actively_Exploited_Kev | Oct 29, 2026","url":"https://otx.alienvault.com/pulse/6ae20c1db17e7057ae7d9ad1","created":"2026-10-28"},{"name":"Actively_Exploited_Kev | Oct 28, 2026","url":"https://otx.alienvault.com/pulse/6ae0ba7e0e2a97ff7b218819","created":"2026-10-27"},{"name":"Actively_Exploited_Kev | Oct 27, 2026","url":"https://otx.alienvault.com/pulse/6adf68b85c3e852f3c111d18","created":"2026-10-26"},{"name":"Actively_Exploited_Kev | Oct 24, 2026","url":"https://otx.alienvault.com/pulse/6adb740e397c3ad4799aa4cd","created":"2026-10-23"},{"name":"Actively_Exploited_Kev | Oct 23, 2026","url":"https://otx.alienvault.com/pulse/6ada236fcfba2dfa730ea482","created":"2026-10-22"},{"name":"Actively_Exploited_Kev | Oct 22, 2026","url":"https://otx.alienvault.com/pulse/6ad8d33a077cbb5cab524d80","created":"2026-10-21"},{"name":"Actively_Exploited_Kev | Oct 21, 2026","url":"https://otx.alienvault.com/pulse/6ad78130c4d1ac2be83a8b6d","created":"2026-10-20"}],"provenance":"machine"},"cwes":[{"id":"CWE-416","name":"Use After Free"}],"references":[{"url":"https://support.apple.com/en-us/120324","tags":["Release Notes","Vendor Advisory"]},{"url":"https://support.apple.com/en-us/120331","tags":["Release Notes","Vendor Advisory"]},{"url":"https://support.apple.com/en-us/120338","tags":["Release Notes","Vendor Advisory"]},{"url":"https://support.apple.com/en-us/126632","tags":["Release Notes","Vendor Advisory"]},{"url":"https://cloud.google.com/blog/topics/threat-intelligence/coruna-powerful-ios-exploit-kit","tags":["Exploit","Third Party Advisory"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-43000","tags":["US Government Resource"]}],"techniques":[{"id":"T1189","name":"Drive-by Compromise","tactics":["initial-access"],"provenance":"ai","basis":"ai-mapping","bases":["ai-mapping"],"basisDetail":"claude-haiku-5-5: Malicious web content triggers exploitation via browser","mappingType":"exploitation_technique","evidence":[{"from":"description","quote":"Processing maliciously crafted web content may lead to memory corruption","start":182,"end":254}],"model":"claude-haiku-5-5","confidence":"medium","confidenceNote":"AI-mapped from the description (quote-validated, not expert-reviewed)"},{"id":"T1203","name":"Exploitation for Client Execution","tactics":["execution"],"provenance":"ai","basis":"ai-mapping","bases":["ai-mapping"],"basisDetail":"claude-haiku-5-5: Exploit executes through client-side content processing","mappingType":"primary_impact","evidence":[{"from":"description","quote":"Processing maliciously crafted web content may lead to memory corruption","start":182,"end":254}],"model":"claude-haiku-5-5","confidence":"medium","confidenceNote":"AI-mapped from the description (quote-validated, not expert-reviewed)"}],"reports":[],"affected":[],"advisories":[],"euvd":{"id":"EUVD-2023-47421","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2023-47421","exploited":true,"exploitedSince":"2026-03-05","provenance":"source"},"exploits":[],"exploitSources":null,"exploitRefs":["https://cloud.google.com/blog/topics/threat-intelligence/coruna-powerful-ios-exploit-kit"],"flow":[{"stage":"exploitation","techniques":["T1189"],"provenance":"ai"},{"stage":"primary","techniques":["T1203"],"provenance":"ai"}],"timeline":[{"date":"2025-11-05","kind":"published","label":"Published (NVD)","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-43000","provenance":"source"},{"date":"2026-03-03","kind":"exploited-reported","label":"Exploitation first reported (VulnCheck KEV evidence)","url":"https://cloud.google.com/blog/topics/threat-intelligence/coruna-powerful-ios-exploit-kit/","provenance":"source"},{"date":"2026-03-05","kind":"kev","label":"Added to CISA KEV","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","provenance":"source"},{"date":"2026-03-05","kind":"euvd-exploited","label":"ENISA EUVD: exploited","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2023-47421","provenance":"source"}],"speed":{"daysToPublicExploit":null,"firstExploitFrom":null,"daysToKev":120},"priority":{"score":72.3,"factors":[{"name":"In a KEV catalog","points":35.0,"detail":"listed in CISA KEV and VulnCheck KEV"},{"name":"Recent KEV listing","points":5.0,"detail":"added 241 days ago"},{"name":"Known ransomware use","points":0.0,"detail":"not known"},{"name":"EPSS percentile","points":18.12,"detail":"percentile 0.9059"},{"name":"Named in threat reports","points":0.0,"detail":"0 reports"},{"name":"Public exploit code","points":5.0,"detail":"1 NVD reference tagged Exploit"},{"name":"Mentioned in OTX pulses","points":3.0,"detail":"50 pulses"},{"name":"CVSS severity","points":6.16,"detail":"base score 8.8"},{"name":"End-of-life product","points":0.0,"detail":"supported or unknown"}]},"lineage":{"familyId":"fam-class-apple-ios-macos-cwe-416"}}