{"id":"CVE-2015-3798","aliases":["EUVD-2015-3834","GHSA-r4xv-4m8v-9gfg"],"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-2015-3796 and CVE-2015-3797.","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":0.13322,"percentile":0.96424,"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-38262","title":"Apple Mac OSX Regex Engine (TRE) - Integer Signedness / Overflow","type":"dos","platform":"osx","date":"2015-09-22","verified":true,"url":"https://www.exploit-db.com/exploits/38262"}],"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":"http://lists.apple.com/archives/security-announce/2015/Aug/msg00002.html","tags":["vendor-advisory","x_refsource_APPLE","x_transferred","Vendor Advisory"]},{"url":"https://www.exploit-db.com/exploits/38262/","tags":["exploit","x_refsource_EXPLOIT-DB","x_transferred"]},{"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://code.google.com/p/google-security-research/issues/detail?id=429","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2015-3798"},{"url":"https://www.exploit-db.com/exploits/38262"},{"url":"https://github.com/advisories/GHSA-r4xv-4m8v-9gfg"}],"sources":{"cve":[{"id":"CVE-2015-3798","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-2015-3796 and CVE-2015-3797.","status":"published","published":"2015-08-16T23:00:00Z","modified":"2024-08-06T05:56:15.583Z","updated_at":"2026-11-02T14:35:42.331636Z"}],"euvd":[{"id":"EUVD-2015-3834","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-2015-3796 and CVE-2015-3797.","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-r4xv-4m8v-9gfg","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-2015-3796 and CVE-2015-3797.","status":"published","published":"2022-05-17T03:17:10Z","modified":"2025-04-12T12:50:58Z","cwes":["CWE-119"],"updated_at":"2026-11-02T15:01:22.814855Z"}],"nvd":[{"id":"CVE-2015-3798","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-2015-3796 and CVE-2015-3797.","status":"published","published":"2015-08-17T00:00:13.003Z","modified":"2026-06-17T00:26:18.64Z","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"}]}}