{"id":"CVE-2017-2509","url":"https://www.cyber-defence.io/tools/cve/CVE-2017-2509","generatedAt":"2026-10-29T01:53:32.069Z","title":"It allows attackers to bypass intended memory-read restrictions via a crafted app.","description":"An issue was discovered in certain Apple products. macOS before 10.12.5 is affected. The issue involves the \"Kernel\" component. It allows attackers to bypass intended memory-read restrictions via a crafted app.","published":"2017-05-22T05:29:01.000Z","lastModified":"2026-06-17T01:16:21.000Z","status":"Modified","sourceIdentifier":"product-security@apple.com","cvss":{"version":"3.0","score":5.5,"severity":"MEDIUM","vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N"},"cwe":[],"affected":["apple/mac os x"],"epss":{"score":0.02321,"percentile":0.83377,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":1,"verified":true,"firstPublished":"2017-05-22","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":42046,"kind":"exploit","title":"Apple macOS - '32-bit syscall exit' Kernel Register Leak","url":"https://www.exploit-db.com/exploits/42046","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/macos/dos/42046.txt","file":"exploits/macos/dos/42046.txt","published":"2017-05-22","added":"2017-05-22","updated":"2017-05-22","author":"Google Security Research","type":"dos","platform":"macos","port":null,"verified":true,"codes":["CVE-2017-2509"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":"https://bugs.chromium.org/p/project-zero/issues/detail?id=1149"}]},"verdict":{"level":"high","text":"A public exploit is published in Exploit-DB (verified), so the technical barrier is gone even though the severity is medium and EPSS is 2.3%. Treat it as high on anything reachable from the internet."},"changes":[],"references":[{"url":"http://www.securitytracker.com/id/1038484","source":"product-security@apple.com"},{"url":"https://support.apple.com/HT207797","tags":["Vendor Advisory"],"source":"product-security@apple.com"},{"url":"https://www.exploit-db.com/exploits/42046/","source":"product-security@apple.com"},{"url":"http://www.securitytracker.com/id/1038484","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://support.apple.com/HT207797","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.exploit-db.com/exploits/42046/","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2017-2509","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."}