{"id":"CVE-2015-5831","url":"https://www.cyber-defence.io/tools/cve/CVE-2015-5831","generatedAt":"2026-10-27T19:53:13.037Z","title":"NetworkExtension in the kernel in Apple iOS before 9 does not properly initialize an unspecified data structure, which allows attackers to obtain sensitive memory-layout information via a crafted app.","description":"NetworkExtension in the kernel in Apple iOS before 9 does not properly initialize an unspecified data structure, which allows attackers to obtain sensitive memory-layout information via a crafted app.","published":"2015-09-18T10:59:48.000Z","lastModified":"2026-06-17T00:29:52.000Z","status":"Modified","sourceIdentifier":"product-security@apple.com","cvss":{"version":"2.0","score":5,"severity":"MEDIUM","vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N"},"cwe":["CWE-200"],"affected":["apple/mac os x","apple/iphone os"],"epss":{"score":0.01617,"percentile":0.75863,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (1.62%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"http://lists.apple.com/archives/security-announce/2015/Sep/msg00001.html","tags":["Vendor Advisory"],"source":"product-security@apple.com"},{"url":"http://lists.apple.com/archives/security-announce/2015/Sep/msg00008.html","tags":["Vendor Advisory"],"source":"product-security@apple.com"},{"url":"http://www.securityfocus.com/bid/76764","source":"product-security@apple.com"},{"url":"http://www.securitytracker.com/id/1033609","source":"product-security@apple.com"},{"url":"https://support.apple.com/HT205212","tags":["Vendor Advisory"],"source":"product-security@apple.com"},{"url":"https://support.apple.com/HT205267","tags":["Vendor Advisory"],"source":"product-security@apple.com"},{"url":"http://lists.apple.com/archives/security-announce/2015/Sep/msg00001.html","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.apple.com/archives/security-announce/2015/Sep/msg00008.html","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/76764","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securitytracker.com/id/1033609","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://support.apple.com/HT205212","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://support.apple.com/HT205267","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2015-5831","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."}