{"id":"CVE-2011-3336","aliases":["EUVD-2011-3300","GHSA-g49p-q335-6257"],"status":"published","title":"regcomp in the BSD implementation of libc is vulnerable to denial of service due to stack...","description":"regcomp in the BSD implementation of libc is vulnerable to denial of service due to stack exhaustion.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.06485,"percentile":0.9384,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-400"],"published":"2020-02-12T19:32:03Z","modified":"2026-06-16T23:33:05Z","exploits":[{"source":"exploitdb","id":"EDB-36288","title":"Libc - 'regcomp()' Stack Exhaustion Denial of Service","type":"dos","platform":"multiple","date":"2011-11-04","verified":true,"url":"https://www.exploit-db.com/exploits/36288"}],"products":[{"vendor":"apple","product":"mac_os_x"},{"vendor":"apple","product":"macos"},{"vendor":"freebsd","product":"freebsd"},{"vendor":"openbsd","product":"openbsd"},{"vendor":"php","product":"php"}],"references":[{"url":"http://seclists.org/fulldisclosure/2014/Mar/166","tags":["mailing-list","x_refsource_FULLDISC","x_transferred","Exploit","Mailing List","Third Party Advisory"]},{"url":"http://www.securityfocus.com/bid/50541","tags":["vdb-entry","x_refsource_BID","x_transferred","Exploit","Third Party Advisory","VDB Entry"]},{"url":"https://www.securityfocus.com/archive/1/520390","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred","Exploit","Third Party Advisory","VDB Entry"]},{"url":"https://cxsecurity.com/issue/WLB-2011110082","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-3336"},{"url":"https://github.com/advisories/GHSA-g49p-q335-6257"}],"sources":{"cve":[{"id":"CVE-2011-3336","description":"regcomp in the BSD implementation of libc is vulnerable to denial of service due to stack exhaustion.","status":"published","published":"2020-02-12T19:32:03Z","modified":"2024-08-06T23:29:56.681Z","updated_at":"2026-11-02T14:35:37.324501Z"}],"euvd":[{"id":"EUVD-2011-3300","description":"regcomp in the BSD implementation of libc is vulnerable to denial of service due to stack exhaustion.","status":"published","published":"2020-02-12T19:32:03Z","modified":"2024-08-06T23:29:56Z","updated_at":"2026-11-03T01:39:52.044449Z"}],"ghsa":[{"id":"GHSA-g49p-q335-6257","title":"regcomp in the BSD implementation of libc is vulnerable to denial of service due to stack...","description":"regcomp in the BSD implementation of libc is vulnerable to denial of service due to stack exhaustion.","status":"published","published":"2022-04-22T00:24:26Z","modified":"2023-01-27T05:01:52Z","updated_at":"2026-11-02T14:41:58.86931Z"}],"nvd":[{"id":"CVE-2011-3336","description":"regcomp in the BSD implementation of libc is vulnerable to denial of service due to stack exhaustion.","status":"published","published":"2020-02-12T20:15:13.353Z","modified":"2026-06-16T23:33:05.993Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":7.8,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T14:02:12.945371Z"}]}}