{"id":"CVE-2019-8646","published":"2019-12-18T17:33:20Z","modified":"2024-08-04T21:24:29Z","title":"An out-of-bounds read was addressed with improved input validation","vendor":"Apple","product":"iOS","tier":"core","eol":null,"affectedVersions":[{"vendor":"Apple","product":"iOS","versions":[">= unspecified, < iOS 12.4"]},{"vendor":"Apple","product":"macOS","versions":[">= unspecified, < macOS Mojave 10.14.6"]},{"vendor":"Apple","product":"tvOS","versions":[">= unspecified, < tvOS 12.4"]},{"vendor":"Apple","product":"watchOS","versions":[">= unspecified, < watchOS 5.3"]}],"description":{"text":"An out-of-bounds read was addressed with improved input validation. This issue is fixed in iOS 12.4, macOS Mojave 10.14.6, tvOS 12.4, watchOS 5.3. A remote attacker may be able to leak memory.","provenance":"source","from":"CVE.org"},"summary":{"text":"An out-of-bounds read flaw, addressed through improved input validation, lives in Apple's iOS, with the same fix also applying to macOS Mojave, tvOS and watchOS. A remote attacker may be able to leak memory.","provenance":"ai","model":"claude-haiku-5-5","generatedAt":"2026-10-29T13:44:47Z"},"cvss":null,"epss":{"score":0.11029,"percentile":0.95896,"date":"2026-10-29","provenance":"source"},"kev":null,"vulncheckKev":{"dateAdded":"2022-05-18","exploitedFirstSeen":"2022-05-18","ransomware":true,"evidence":[{"url":"https://cybersecurityworks.com/howdymanage/uploads/file/Spotlight%20Report%20-%20Index%20Update%20Q2%20-%20Q3%20-%20Final%20Version_compressed.pdf","date":"2022-05-18"}],"evidenceTotal":1,"provenance":"source"},"exploited":true,"otx":{"pulseCount":1,"pulses":[{"name":"CVE Data","url":"https://otx.alienvault.com/pulse/69929b597293fe5837b9c95c","created":"2026-02-16"}],"provenance":"machine"},"cwes":[],"references":[{"url":"https://support.apple.com/HT210353","tags":["x_refsource_MISC"]},{"url":"https://support.apple.com/HT210346","tags":["x_refsource_MISC"]},{"url":"https://support.apple.com/HT210348","tags":["x_refsource_MISC"]},{"url":"https://support.apple.com/HT210351","tags":["x_refsource_MISC"]}],"techniques":[],"reports":[],"affected":[],"advisories":[],"euvd":{"id":"EUVD-2019-18036","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2019-18036","exploited":false,"exploitedSince":null,"provenance":"source"},"exploits":[{"id":47194,"url":"https://www.exploit-db.com/exploits/47194","title":"iMessage - NSKeyedUnarchiver Deserialization Allows file Backed NSData Objects","type":"dos","platform":"multiple","date":"2019-07-30","verified":true,"provenance":"source"}],"exploitSources":{"exploitdb":{"count":1,"earliest":"2019-07-30"},"first":{"date":"2019-07-30","source":"Exploit-DB","url":"https://www.exploit-db.com/exploits/47194"},"provenance":"source"},"exploitRefs":[],"flow":[],"timeline":[{"date":"2019-07-30","kind":"exploit-public","label":"First public exploit: Exploit-DB (EDB-47194)","url":"https://www.exploit-db.com/exploits/47194","provenance":"source"},{"date":"2019-12-18","kind":"published","label":"Published (CVE.org)","url":"https://www.cve.org/CVERecord?id=CVE-2019-8646","provenance":"source"},{"date":"2022-05-18","kind":"exploited-reported","label":"Exploitation first reported (VulnCheck KEV evidence)","url":"https://cybersecurityworks.com/howdymanage/uploads/file/Spotlight%20Report%20-%20Index%20Update%20Q2%20-%20Q3%20-%20Final%20Version_compressed.pdf","provenance":"source"}],"speed":{"daysToPublicExploit":null,"firstExploitFrom":"Exploit-DB","daysToKev":null},"priority":{"score":69.9,"factors":[{"name":"In a KEV catalog","points":35.0,"detail":"listed in VulnCheck KEV"},{"name":"Recent KEV listing","points":0.0,"detail":"added 1625 days ago"},{"name":"Known ransomware use","points":10.0,"detail":"VulnCheck KEV: Known"},{"name":"EPSS percentile","points":19.18,"detail":"percentile 0.9590"},{"name":"Named in threat reports","points":0.0,"detail":"0 reports"},{"name":"Public exploit code","points":5.0,"detail":"1 Exploit-DB entry"},{"name":"Mentioned in OTX pulses","points":0.68,"detail":"1 pulse"},{"name":"CVSS severity","points":0.0,"detail":"no CVSS"},{"name":"End-of-life product","points":0.0,"detail":"supported or unknown"}]}}