{"id":"CVE-2017-2523","url":"https://www.cyber-defence.io/tools/cve/CVE-2017-2523","generatedAt":"2026-10-29T01:49:14.485Z","title":"It allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via crafted data.","description":"An issue was discovered in certain Apple products. iOS before 10.3.2 is affected. macOS before 10.12.5 is affected. tvOS before 10.2.1 is affected. watchOS before 3.2.2 is affected. The issue involves the \"Foundation\" component. It allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via crafted data.","published":"2017-05-22T05:29:01.000Z","lastModified":"2026-06-17T01:16:23.000Z","status":"Modified","sourceIdentifier":"product-security@apple.com","cvss":{"version":"3.0","score":9.8,"severity":"CRITICAL","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-119"],"affected":["apple/iphone os","apple/mac os x","apple/tvos","apple/watchos"],"epss":{"score":0.11484,"percentile":0.95993,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":1,"verified":true,"firstPublished":"2017-05-23","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":42050,"kind":"exploit","title":"Apple macOS/iOS - NSUnarchiver Heap Corruption Due to Lack of Bounds Checking in [NSBuiltinCharacterSet initWithCoder:]","url":"https://www.exploit-db.com/exploits/42050","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/multiple/dos/42050.txt","file":"exploits/multiple/dos/42050.txt","published":"2017-05-23","added":"2017-05-23","updated":"2017-12-16","author":"Google Security Research","type":"dos","platform":"multiple","port":null,"verified":true,"codes":["CVE-2017-2523","HT207798","HT207797"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":"https://bugs.chromium.org/p/project-zero/issues/detail?id=1170"}]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 11.5%, higher than 96% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"http://www.securityfocus.com/bid/98584","tags":["Third Party Advisory","VDB Entry"],"source":"product-security@apple.com"},{"url":"https://support.apple.com/HT207797","tags":["Vendor Advisory"],"source":"product-security@apple.com"},{"url":"https://support.apple.com/HT207798","tags":["Vendor Advisory"],"source":"product-security@apple.com"},{"url":"https://support.apple.com/HT207800","tags":["Vendor Advisory"],"source":"product-security@apple.com"},{"url":"https://support.apple.com/HT207801","tags":["Vendor Advisory"],"source":"product-security@apple.com"},{"url":"https://www.exploit-db.com/exploits/42050/","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"product-security@apple.com"},{"url":"http://www.securityfocus.com/bid/98584","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://support.apple.com/HT207797","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://support.apple.com/HT207798","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://support.apple.com/HT207800","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://support.apple.com/HT207801","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.exploit-db.com/exploits/42050/","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2017-2523","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}