{"id":"CVE-2015-3796","aliases":["EUVD-2015-3832","GHSA-4mj6-cg56-cg3r","MGASA-2016-0395"],"status":"published","title":"The TRE library in Libc in Apple iOS before 8.4.1 and OS X before 10.10.5 allows context...","description":"The TRE library in Libc in Apple iOS before 8.4.1 and OS X before 10.10.5 allows context-dependent attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted regular expression, a different vulnerability than CVE-2015-3797 and CVE-2015-3798.","severity":{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.12416,"percentile":0.96235,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-119"],"published":"2015-08-16T23:00:00Z","modified":"2026-06-17T00:26:18Z","exploits":[{"source":"exploitdb","id":"EDB-38263","title":"Apple Mac OSX Regex Engine (TRE) - Stack Buffer Overflow (PoC)","type":"dos","platform":"osx","date":"2015-09-22","verified":true,"url":"https://www.exploit-db.com/exploits/38263"}],"affected":[{"source":"osv","ecosystem":"Mageia:5","package":"tre","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.8.0-12.1.mga5"}]}],"bundled":2}],"products":[{"vendor":"apple","product":"iphone_os"},{"vendor":"apple","product":"mac_os_x"}],"references":[{"url":"https://support.apple.com/kb/HT205030","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"http://www.securitytracker.com/id/1033275","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"http://lists.apple.com/archives/security-announce/2015/Aug/msg00001.html","tags":["vendor-advisory","x_refsource_APPLE","x_transferred","Vendor Advisory"]},{"url":"https://www.exploit-db.com/exploits/38263/","tags":["exploit","x_refsource_EXPLOIT-DB","x_transferred"]},{"url":"http://lists.apple.com/archives/security-announce/2015/Aug/msg00002.html","tags":["vendor-advisory","x_refsource_APPLE","x_transferred","Vendor Advisory"]},{"url":"https://support.apple.com/kb/HT205031","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"http://www.securityfocus.com/bid/76343","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2015-3796"},{"url":"https://www.exploit-db.com/exploits/38263"},{"url":"https://github.com/advisories/GHSA-4mj6-cg56-cg3r"},{"url":"https://advisories.mageia.org/MGASA-2016-0395.html","tags":["advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=19793","tags":["report"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/thread/6RF7IRNEREOGUAKOAE2LLRIJ37TCLAL4/","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2015-3796","description":"The TRE library in Libc in Apple iOS before 8.4.1 and OS X before 10.10.5 allows context-dependent attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted regular expression, a different vulnerability than CVE-2015-3797 and CVE-2015-3798.","status":"published","published":"2015-08-16T23:00:00Z","modified":"2024-08-06T05:56:15.653Z","updated_at":"2026-11-02T14:35:42.331636Z"}],"euvd":[{"id":"EUVD-2015-3832","description":"The TRE library in Libc in Apple iOS before 8.4.1 and OS X before 10.10.5 allows context-dependent attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted regular expression, a different vulnerability than CVE-2015-3797 and CVE-2015-3798.","status":"published","published":"2015-08-16T23:00:00Z","modified":"2024-08-06T05:56:15Z","updated_at":"2026-11-03T02:22:06.756432Z"}],"ghsa":[{"id":"GHSA-4mj6-cg56-cg3r","title":"The TRE library in Libc in Apple iOS before 8.4.1 and OS X before 10.10.5 allows context...","description":"The TRE library in Libc in Apple iOS before 8.4.1 and OS X before 10.10.5 allows context-dependent attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted regular expression, a different vulnerability than CVE-2015-3797 and CVE-2015-3798.","status":"published","published":"2022-05-17T01:06:05Z","modified":"2025-04-12T12:50:57Z","cwes":["CWE-119"],"updated_at":"2026-11-02T15:01:22.814855Z"}],"nvd":[{"id":"CVE-2015-3796","description":"The TRE library in Libc in Apple iOS before 8.4.1 and OS X before 10.10.5 allows context-dependent attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted regular expression, a different vulnerability than CVE-2015-3797 and CVE-2015-3798.","status":"published","published":"2015-08-17T00:00:10.407Z","modified":"2026-06-17T00:26:18.42Z","cvss":[{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:03:08.998581Z"}],"osv":[{"id":"MGASA-2016-0395","title":"Updated tre packages fix security vulnerability","description":"The TRE library allows context-dependent attackers to execute arbitrary\ncode or cause a denial of service (memory corruption and application\ncrash) via a crafted regular expression (CVE-2015-3796).\n\nA vulnerability has been found in the tre package that could allow an\nattacker to perform controlled heap corruption (CVE-2016-8859).\n","status":"published","published":"2016-11-21T22:18:01Z","modified":"2026-04-16T06:25:42.526676344Z","updated_at":"2026-11-02T15:49:40.103088Z"}]}}