{"id":"CVE-2011-0419","url":"https://www.cyber-defence.io/tools/cve/CVE-2011-0419","generatedAt":"2026-10-27T19:49:07.745Z","title":"Stack consumption vulnerability in the fnmatch implementation in apr_fnmatch.c in the Apache Portable Runtime (APR) library before 1.4.3 and the Apache HTTP Server before 2.2.18, and in fnmatch.c in libc in NetBSD 5.1, OpenBSD 4.8, FreeBSD, Apple Mac OS…","description":"Stack consumption vulnerability in the fnmatch implementation in apr_fnmatch.c in the Apache Portable Runtime (APR) library before 1.4.3 and the Apache HTTP Server before 2.2.18, and in fnmatch.c in libc in NetBSD 5.1, OpenBSD 4.8, FreeBSD, Apple Mac OS X 10.6, Oracle Solaris 10, and Android, allows context-dependent attackers to cause a denial of service (CPU and memory consumption) via *? sequences in the first argument, as demonstrated by attacks against mod_autoindex in httpd.","published":"2011-05-16T17:55:02.000Z","lastModified":"2026-06-16T23:27:19.000Z","status":"Modified","sourceIdentifier":"cret@cert.org","cvss":{"version":"2.0","score":4.3,"severity":"MEDIUM","vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P"},"cwe":["CWE-770"],"affected":["apache/portable runtime","apache/http server","apple/mac os x","freebsd/freebsd","google/android","netbsd/netbsd","openbsd/openbsd","oracle/solaris","debian/debian linux","suse/linux enterprise server"],"epss":{"score":0.30406,"percentile":0.9822,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":1,"verified":true,"firstPublished":"2011-05-12","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":35738,"kind":"exploit","title":"Apache 1.4/2.2.x - APR 'apr_fnmatch()' Denial of Service","url":"https://www.exploit-db.com/exploits/35738","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/linux/dos/35738.php","file":"exploits/linux/dos/35738.php","published":"2011-05-12","added":"2011-05-12","updated":"2015-01-09","author":"Maksymilian Arciemowicz","type":"dos","platform":"linux","port":null,"verified":true,"codes":["CVE-2011-0419","OSVDB-73383"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":"https://www.securityfocus.com/bid/47820/info"}]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 30.4%, higher than 98% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"http://cvsweb.netbsd.org/bsdweb.cgi/src/lib/libc/gen/fnmatch.c#rev1.22","tags":["Third Party Advisory"],"source":"cret@cert.org"},{"url":"http://cxib.net/stuff/apache.fnmatch.phps","tags":["Patch","Third Party Advisory"],"source":"cret@cert.org"},{"url":"http://cxib.net/stuff/apr_fnmatch.txts","tags":["Third Party Advisory"],"source":"cret@cert.org"},{"url":"http://httpd.apache.org/security/vulnerabilities_22.html","tags":["Vendor Advisory"],"source":"cret@cert.org"},{"url":"http://lists.apple.com/archives/Security-announce/2011//Oct/msg00003.html","tags":["Broken Link"],"source":"cret@cert.org"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2011-11/msg00011.html","tags":["Mailing List","Third Party Advisory"],"source":"cret@cert.org"},{"url":"http://marc.info/?l=bugtraq&m=131551295528105&w=2","tags":["Issue Tracking","Mailing List","Third Party Advisory"],"source":"cret@cert.org"},{"url":"http://marc.info/?l=bugtraq&m=131731002122529&w=2","tags":["Issue Tracking","Mailing List","Third Party Advisory"],"source":"cret@cert.org"},{"url":"http://marc.info/?l=bugtraq&m=132033751509019&w=2","tags":["Issue Tracking","Mailing List","Third Party Advisory"],"source":"cret@cert.org"},{"url":"http://marc.info/?l=bugtraq&m=134987041210674&w=2","tags":["Issue Tracking","Mailing List","Third Party Advisory"],"source":"cret@cert.org"},{"url":"http://secunia.com/advisories/44490","tags":["Not Applicable","Vendor Advisory"],"source":"cret@cert.org"},{"url":"http://secunia.com/advisories/44564","tags":["Not Applicable","Vendor Advisory"],"source":"cret@cert.org"},{"url":"http://secunia.com/advisories/44574","tags":["Not Applicable","Vendor Advisory"],"source":"cret@cert.org"},{"url":"http://secunia.com/advisories/48308","tags":["Not Applicable"],"source":"cret@cert.org"},{"url":"http://securityreason.com/achievement_securityalert/98","tags":["Exploit","Third Party Advisory"],"source":"cret@cert.org"},{"url":"http://securityreason.com/securityalert/8246","tags":["Exploit","Third Party Advisory"],"source":"cret@cert.org"},{"url":"http://securitytracker.com/id?1025527","tags":["Broken Link","Third Party Advisory","VDB Entry"],"source":"cret@cert.org"},{"url":"http://support.apple.com/kb/HT5002","tags":["Third Party Advisory"],"source":"cret@cert.org"},{"url":"http://svn.apache.org/viewvc/apr/apr/branches/1.4.x/strings/apr_fnmatch.c?r1=731029&r2=1098902","tags":["Patch","Vendor Advisory"],"source":"cret@cert.org"},{"url":"http://svn.apache.org/viewvc?view=revision&revision=1098188","tags":["Patch","Vendor Advisory"],"source":"cret@cert.org"},{"url":"http://svn.apache.org/viewvc?view=revision&revision=1098799","tags":["Patch","Vendor Advisory"],"source":"cret@cert.org"},{"url":"http://www.apache.org/dist/apr/Announcement1.x.html","tags":["Patch","Vendor Advisory"],"source":"cret@cert.org"},{"url":"http://www.apache.org/dist/apr/CHANGES-APR-1.4","tags":["Broken Link"],"source":"cret@cert.org"},{"url":"http://www.apache.org/dist/httpd/Announcement2.2.html","tags":["Patch","Vendor Advisory"],"source":"cret@cert.org"},{"url":"http://www.debian.org/security/2011/dsa-2237","tags":["Third Party Advisory"],"source":"cret@cert.org"},{"url":"http://www.mail-archive.com/dev%40apr.apache.org/msg23960.html","tags":["Mailing List","Third Party Advisory"],"source":"cret@cert.org"},{"url":"http://www.mail-archive.com/dev%40apr.apache.org/msg23961.html","tags":["Mailing List","Third Party Advisory"],"source":"cret@cert.org"},{"url":"http://www.mail-archive.com/dev%40apr.apache.org/msg23976.html","tags":["Mailing List","Third Party Advisory"],"source":"cret@cert.org"},{"url":"http://www.mandriva.com/security/advisories?name=MDVSA-2011:084","tags":["Broken Link"],"source":"cret@cert.org"},{"url":"http://www.mandriva.com/security/advisories?name=MDVSA-2013:150","tags":["Broken Link"],"source":"cret@cert.org"},{"url":"http://www.openbsd.org/cgi-bin/cvsweb/src/lib/libc/gen/fnmatch.c#rev1.15","tags":["Broken Link"],"source":"cret@cert.org"},{"url":"http://www.oracle.com/technetwork/topics/security/cpujul2012-392727.html","tags":["Third Party Advisory"],"source":"cret@cert.org"},{"url":"http://www.oracle.com/technetwork/topics/security/cpujuly2013-1899826.html","tags":["Third Party Advisory"],"source":"cret@cert.org"},{"url":"http://www.redhat.com/support/errata/RHSA-2011-0507.html","tags":["Third Party Advisory"],"source":"cret@cert.org"},{"url":"http://www.redhat.com/support/errata/RHSA-2011-0896.html","tags":["Third Party Advisory"],"source":"cret@cert.org"},{"url":"http://www.redhat.com/support/errata/RHSA-2011-0897.html","tags":["Third Party Advisory"],"source":"cret@cert.org"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=703390","tags":["Issue Tracking","Patch","Third Party Advisory"],"source":"cret@cert.org"},{"url":"https://lists.apache.org/thread.html/54a42d4b01968df1117cea77fc53d6beb931c0e05936ad02af93e9ac%40%3Ccvs.httpd.apache.org%3E","tags":["Third Party Advisory"],"source":"cret@cert.org"},{"url":"https://lists.apache.org/thread.html/5df9bfb86a3b054bb985a45ff9250b0332c9ecc181eec232489e7f79%40%3Ccvs.httpd.apache.org%3E","tags":["Third Party Advisory"],"source":"cret@cert.org"},{"url":"https://lists.apache.org/thread.html/8d63cb8e9100f28a99429b4328e4e7cebce861d5772ac9863ba2ae6f%40%3Ccvs.httpd.apache.org%3E","tags":["Third Party 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Entry"],"source":"cret@cert.org"},{"url":"https://lists.apache.org/thread.html/rfbaf647d52c1cb843e726a0933f156366a806cead84fbd430951591b%40%3Ccvs.httpd.apache.org%3E","tags":["Third Party Advisory"],"source":"cret@cert.org"},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14638","tags":["Third Party Advisory"],"source":"cret@cert.org"},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14804","tags":["Third Party Advisory"],"source":"cret@cert.org"},{"url":"http://cvsweb.netbsd.org/bsdweb.cgi/src/lib/libc/gen/fnmatch.c#rev1.22","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://cxib.net/stuff/apache.fnmatch.phps","tags":["Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2011-0419","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."}