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Vulnerability record · CVE-2011-0419 · published 16 May 2011

CVE-2011-0419: Apache portable runtime allocation without limits vulnerability

Apache · Portable Runtime

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.

4.3 CVSS 2.0 Medium EPSS 30% · top 1.8% CWE-770 · Allocation without limits
4.3CVSS 2.0 base score
30%EPSS exploitation probability, 30 days
NoNot in CISA KEV
10Affected product versions listed by NVD
116References, 4 tagged exploit
16 Jun 2026Last modified by NVD

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.

AV:N/AC:M/Au:N/C:N/I:N/A:P

Affected products

10 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://cvsweb.netbsd.org/bsdweb.cgi/src/lib/libc/gen/fnmatch.c#rev1.22 Third Party Advisory
http://cxib.net/stuff/apache.fnmatch.phps PatchThird Party Advisory
http://cxib.net/stuff/apr_fnmatch.txts Third Party Advisory
http://httpd.apache.org/security/vulnerabilities_22.html Vendor Advisory
http://lists.apple.com/archives/Security-announce/2011//Oct/msg00003.html Broken Link
http://lists.opensuse.org/opensuse-security-announce/2011-11/msg00011.html Mailing ListThird Party Advisory
http://marc.info/?l=bugtraq&m=131551295528105&w=2 Issue TrackingMailing ListThird Party Advisory
http://marc.info/?l=bugtraq&m=131731002122529&w=2 Issue TrackingMailing ListThird Party Advisory
http://marc.info/?l=bugtraq&m=132033751509019&w=2 Issue TrackingMailing ListThird Party Advisory
http://marc.info/?l=bugtraq&m=134987041210674&w=2 Issue TrackingMailing ListThird Party Advisory
http://secunia.com/advisories/44490 Not ApplicableVendor Advisory
http://secunia.com/advisories/44564 Not ApplicableVendor Advisory
http://secunia.com/advisories/44574 Not ApplicableVendor Advisory
http://secunia.com/advisories/48308 Not Applicable
http://securityreason.com/achievement_securityalert/98 ExploitThird Party Advisory
http://securityreason.com/securityalert/8246 ExploitThird Party Advisory
http://securitytracker.com/id?1025527 Broken LinkThird Party AdvisoryVDB Entry
http://support.apple.com/kb/HT5002 Third Party Advisory
http://svn.apache.org/viewvc/apr/apr/branches/1.4.x/strings/apr_fnmatch.c?r1=731029&r2=1098902 PatchVendor Advisory
http://svn.apache.org/viewvc?view=revision&revision=1098188 PatchVendor Advisory
http://svn.apache.org/viewvc?view=revision&revision=1098799 PatchVendor Advisory
http://www.apache.org/dist/apr/Announcement1.x.html PatchVendor Advisory
http://www.apache.org/dist/apr/CHANGES-APR-1.4 Broken Link
http://www.apache.org/dist/httpd/Announcement2.2.html PatchVendor Advisory
http://www.debian.org/security/2011/dsa-2237 Third Party Advisory
http://www.mail-archive.com/dev%40apr.apache.org/msg23960.html Mailing ListThird Party Advisory
http://www.mail-archive.com/dev%40apr.apache.org/msg23961.html Mailing ListThird Party Advisory
http://www.mail-archive.com/dev%40apr.apache.org/msg23976.html Mailing ListThird Party Advisory
http://www.mandriva.com/security/advisories?name=MDVSA-2011:084 Broken Link
http://www.mandriva.com/security/advisories?name=MDVSA-2013:150 Broken Link
http://www.openbsd.org/cgi-bin/cvsweb/src/lib/libc/gen/fnmatch.c#rev1.15 Broken Link
http://www.oracle.com/technetwork/topics/security/cpujul2012-392727.html Third Party Advisory
http://www.oracle.com/technetwork/topics/security/cpujuly2013-1899826.html Third Party Advisory
http://www.redhat.com/support/errata/RHSA-2011-0507.html Third Party Advisory
http://www.redhat.com/support/errata/RHSA-2011-0896.html Third Party Advisory
http://www.redhat.com/support/errata/RHSA-2011-0897.html Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=703390 Issue TrackingPatchThird Party Advisory
https://lists.apache.org/thread.html/54a42d4b01968df1117cea77fc53d6beb931c0e05936ad02af93e9ac%40%3Ccvs.httpd.apache.org% Third Party Advisory
https://lists.apache.org/thread.html/5df9bfb86a3b054bb985a45ff9250b0332c9ecc181eec232489e7f79%40%3Ccvs.httpd.apache.org% Third Party Advisory
https://lists.apache.org/thread.html/8d63cb8e9100f28a99429b4328e4e7cebce861d5772ac9863ba2ae6f%40%3Ccvs.httpd.apache.org% Third Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2011-0419), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.