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    CVE-2011-0419

    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:May 10, 2011
    Last Modified:Apr 11, 2025
    EPS:May 16, 2011
    EPSS Score:0.58438
    CVSS Score:4.3

    Affected Products

    Vendor
    Apache
    Product
    Http Server
    Vendor
    Apache
    Product
    Portable Runtime
    Vendor
    Apple
    Product
    Mac Os X
    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Freebsd
    Product
    Freebsd
    Vendor
    Google
    Product
    Android
    Vendor
    Netbsd
    Product
    Netbsd
    Vendor
    Openbsd
    Product
    Openbsd
    Vendor
    Oracle
    Product
    Solaris
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Jboss Enterprise Web Server
    Vendor
    Suse
    Product
    Linux Enterprise Server

    Exploits

    http://securityreason.com/achievement_securityalert/98http://securityreason.com/securityalert/8246http://securityreason.com/achievement_securityalert/98http://securityreason.com/securityalert/8246https://www.exploit-db.com/exploits/35738

    Related CVEs

    CVE-2026-48913 (CVSS 7.3) — Use After Free vulnerability in Apache HTTP Server module mod_http2 when file handles are already exhausted. …
    CVE-2026-42536 (CVSS 7.5) — Heap-based Buffer Overflow vulnerability in Apache HTTP Server with mod_xml2enc, xml2StartParse, and untrusted…
    CVE-2026-44185 (CVSS 7.3) — Buffer Over-read vulnerability in Apache HTTP Server via outbound OCSP requests to an attacker controlled OCSP…
    CVE-2026-34355 (CVSS 7.5) — A buffer overflow in mod_proxy_html in Apache HTTP Server 2.4.67 and earlier allows an attack by an untrusted …
    CVE-2026-44631 (CVSS 9.8) — Buffer Underwrite vulnerability in Apache HTTP Server on crafted regular expressions in the configuration. Th…
    CVE-2026-44119 (CVSS 5.5) — Improper Privilege Management vulnerability in Apache HTTP Server 2.4.67 and earlier allows local .htaccess au…
    CVE-2026-43951 (CVSS 6.5) — Out-of-bounds Read vulnerability in Apache HTTP Server with mod_headers and mod_mime and multiple response lan…
    CVE-2026-42535 (CVSS 9.1) — A path handling issue in mod_dav_fs in Apache 2.4.67 and earlier allows a WebDAV content author to directly ma…
    CVE-2026-34356 (CVSS 7.5) — Heap-based Buffer Overflow vulnerability in Apache HTTP Server with malicious backend servers and ProxyPassRev…
    CVE-2026-44186 (CVSS 7.3) — Loop with Unreachable Exit Condition ('Infinite Loop') vulnerability in the mod_proxy_ftp module in Apache HTT…

    References

    http://cvsweb.netbsd.org/bsdweb.cgi/src/lib/libc/gen/fnmatch.c#rev1.22
    http://cxib.net/stuff/apache.fnmatch.phps
    http://cxib.net/stuff/apr_fnmatch.txts
    http://httpd.apache.org/security/vulnerabilities_22.html
    http://lists.apple.com/archives/Security-announce/2011//Oct/msg00003.html
    http://lists.opensuse.org/opensuse-security-announce/2011-11/msg00011.html
    http://marc.info/?l=bugtraq&m=131551295528105&w=2
    http://marc.info/?l=bugtraq&m=131731002122529&w=2
    http://marc.info/?l=bugtraq&m=132033751509019&w=2
    http://marc.info/?l=bugtraq&m=134987041210674&w=2
    http://secunia.com/advisories/44490
    http://secunia.com/advisories/44564
    http://secunia.com/advisories/44574
    http://secunia.com/advisories/48308
    http://securityreason.com/achievement_securityalert/98
    http://securityreason.com/securityalert/8246
    http://securitytracker.com/id?1025527
    http://support.apple.com/kb/HT5002
    http://svn.apache.org/viewvc/apr/apr/branches/1.4.x/strings/apr_fnmatch.c?r1=731029&r2=1098902
    http://svn.apache.org/viewvc?view=revision&revision=1098188
    http://svn.apache.org/viewvc?view=revision&revision=1098799
    http://www.apache.org/dist/apr/Announcement1.x.html
    http://www.apache.org/dist/apr/CHANGES-APR-1.4
    http://www.apache.org/dist/httpd/Announcement2.2.html
    http://www.debian.org/security/2011/dsa-2237
    http://www.mail-archive.com/dev%40apr.apache.org/msg23960.html
    http://www.mail-archive.com/dev%40apr.apache.org/msg23961.html
    http://www.mail-archive.com/dev%40apr.apache.org/msg23976.html
    http://www.mandriva.com/security/advisories?name=MDVSA-2011:084
    http://www.mandriva.com/security/advisories?name=MDVSA-2013:150
    http://www.openbsd.org/cgi-bin/cvsweb/src/lib/libc/gen/fnmatch.c#rev1.15
    http://www.oracle.com/technetwork/topics/security/cpujul2012-392727.html
    http://www.oracle.com/technetwork/topics/security/cpujuly2013-1899826.html
    http://www.redhat.com/support/errata/RHSA-2011-0507.html
    http://www.redhat.com/support/errata/RHSA-2011-0896.html
    http://www.redhat.com/support/errata/RHSA-2011-0897.html
    https://bugzilla.redhat.com/show_bug.cgi?id=703390
    https://lists.apache.org/thread.html/54a42d4b01968df1117cea77fc53d6beb931c0e05936ad02af93e9ac%40%3Ccvs.httpd.apache.org%3E
    https://lists.apache.org/thread.html/5df9bfb86a3b054bb985a45ff9250b0332c9ecc181eec232489e7f79%40%3Ccvs.httpd.apache.org%3E
    https://lists.apache.org/thread.html/8d63cb8e9100f28a99429b4328e4e7cebce861d5772ac9863ba2ae6f%40%3Ccvs.httpd.apache.org%3E
    https://lists.apache.org/thread.html/f7f95ac1cd9895db2714fa3ebaa0b94d0c6df360f742a40951384a53%40%3Ccvs.httpd.apache.org%3E
    https://lists.apache.org/thread.html/r0276683d8e1e07153fc8642618830ac0ade85b9ae0dc7b07f63bb8fc%40%3Ccvs.httpd.apache.org%3E
    https://lists.apache.org/thread.html/r064df0985779b7ee044d3120d71ba59750427cf53f57ba3384e3773f%40%3Ccvs.httpd.apache.org%3E
    https://lists.apache.org/thread.html/r1d201e3da31a2c8aa870c8314623caef7debd74a13d0f25205e26f15%40%3Ccvs.httpd.apache.org%3E
    https://lists.apache.org/thread.html/r2cb985de917e7da0848c440535f65a247754db8b2154a10089e4247b%40%3Ccvs.httpd.apache.org%3E
    https://lists.apache.org/thread.html/r57608dc51b79102f3952ae06f54d5277b649c86d6533dcd6a7d201f7%40%3Ccvs.httpd.apache.org%3E
    https://lists.apache.org/thread.html/r688df6f16f141e966a0a47f817e559312b3da27886f59116a94b273d%40%3Ccvs.httpd.apache.org%3E
    https://lists.apache.org/thread.html/r75cbe9ea3e2114e4271bbeca7aff96117b50c1b6eb7c4772b0337c1f%40%3Ccvs.httpd.apache.org%3E
    https://lists.apache.org/thread.html/r8828e649175df56f1f9e3919938ac7826128525426e2748f0ab62feb%40%3Ccvs.httpd.apache.org%3E
    https://lists.apache.org/thread.html/r9e8622254184645bc963a1d47c5d47f6d5a36d6f080d8d2c43b2b142%40%3Ccvs.httpd.apache.org%3E
    https://lists.apache.org/thread.html/r9ea3538f229874c80a10af473856a81fbf5f694cd7f471cc679ba70b%40%3Ccvs.httpd.apache.org%3E
    https://lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920%40%3Ccvs.httpd.apache.org%3E
    https://lists.apache.org/thread.html/rdca61ae990660bacb682295f2a09d34612b7bb5f457577fe17f4d064%40%3Ccvs.httpd.apache.org%3E
    https://lists.apache.org/thread.html/re2e23465bbdb17ffe109d21b4f192e6b58221cd7aa8797d530b4cd75%40%3Ccvs.httpd.apache.org%3E
    https://lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9%40%3Ccvs.httpd.apache.org%3E
    https://lists.apache.org/thread.html/rfbaf647d52c1cb843e726a0933f156366a806cead84fbd430951591b%40%3Ccvs.httpd.apache.org%3E
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14638
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14804
    http://cvsweb.netbsd.org/bsdweb.cgi/src/lib/libc/gen/fnmatch.c#rev1.22
    http://cxib.net/stuff/apache.fnmatch.phps
    http://cxib.net/stuff/apr_fnmatch.txts
    http://httpd.apache.org/security/vulnerabilities_22.html
    http://lists.apple.com/archives/Security-announce/2011//Oct/msg00003.html
    http://lists.opensuse.org/opensuse-security-announce/2011-11/msg00011.html
    http://marc.info/?l=bugtraq&m=131551295528105&w=2
    http://marc.info/?l=bugtraq&m=131731002122529&w=2
    http://marc.info/?l=bugtraq&m=132033751509019&w=2
    http://marc.info/?l=bugtraq&m=134987041210674&w=2
    http://secunia.com/advisories/44490
    http://secunia.com/advisories/44564
    http://secunia.com/advisories/44574
    http://secunia.com/advisories/48308
    http://securityreason.com/achievement_securityalert/98
    http://securityreason.com/securityalert/8246
    http://securitytracker.com/id?1025527
    http://support.apple.com/kb/HT5002
    http://svn.apache.org/viewvc/apr/apr/branches/1.4.x/strings/apr_fnmatch.c?r1=731029&r2=1098902
    http://svn.apache.org/viewvc?view=revision&revision=1098188
    http://svn.apache.org/viewvc?view=revision&revision=1098799
    http://www.apache.org/dist/apr/Announcement1.x.html
    http://www.apache.org/dist/apr/CHANGES-APR-1.4
    http://www.apache.org/dist/httpd/Announcement2.2.html
    http://www.debian.org/security/2011/dsa-2237
    http://www.mail-archive.com/dev%40apr.apache.org/msg23960.html
    http://www.mail-archive.com/dev%40apr.apache.org/msg23961.html
    http://www.mail-archive.com/dev%40apr.apache.org/msg23976.html
    http://www.mandriva.com/security/advisories?name=MDVSA-2011:084
    http://www.mandriva.com/security/advisories?name=MDVSA-2013:150
    http://www.openbsd.org/cgi-bin/cvsweb/src/lib/libc/gen/fnmatch.c#rev1.15
    http://www.oracle.com/technetwork/topics/security/cpujul2012-392727.html
    http://www.oracle.com/technetwork/topics/security/cpujuly2013-1899826.html
    http://www.redhat.com/support/errata/RHSA-2011-0507.html
    http://www.redhat.com/support/errata/RHSA-2011-0896.html
    http://www.redhat.com/support/errata/RHSA-2011-0897.html
    https://bugzilla.redhat.com/show_bug.cgi?id=703390
    https://lists.apache.org/thread.html/54a42d4b01968df1117cea77fc53d6beb931c0e05936ad02af93e9ac%40%3Ccvs.httpd.apache.org%3E
    https://lists.apache.org/thread.html/5df9bfb86a3b054bb985a45ff9250b0332c9ecc181eec232489e7f79%40%3Ccvs.httpd.apache.org%3E
    https://lists.apache.org/thread.html/8d63cb8e9100f28a99429b4328e4e7cebce861d5772ac9863ba2ae6f%40%3Ccvs.httpd.apache.org%3E
    https://lists.apache.org/thread.html/f7f95ac1cd9895db2714fa3ebaa0b94d0c6df360f742a40951384a53%40%3Ccvs.httpd.apache.org%3E
    https://lists.apache.org/thread.html/r0276683d8e1e07153fc8642618830ac0ade85b9ae0dc7b07f63bb8fc%40%3Ccvs.httpd.apache.org%3E
    https://lists.apache.org/thread.html/r064df0985779b7ee044d3120d71ba59750427cf53f57ba3384e3773f%40%3Ccvs.httpd.apache.org%3E
    https://lists.apache.org/thread.html/r1d201e3da31a2c8aa870c8314623caef7debd74a13d0f25205e26f15%40%3Ccvs.httpd.apache.org%3E
    https://lists.apache.org/thread.html/r2cb985de917e7da0848c440535f65a247754db8b2154a10089e4247b%40%3Ccvs.httpd.apache.org%3E
    https://lists.apache.org/thread.html/r57608dc51b79102f3952ae06f54d5277b649c86d6533dcd6a7d201f7%40%3Ccvs.httpd.apache.org%3E
    https://lists.apache.org/thread.html/r688df6f16f141e966a0a47f817e559312b3da27886f59116a94b273d%40%3Ccvs.httpd.apache.org%3E
    https://lists.apache.org/thread.html/r75cbe9ea3e2114e4271bbeca7aff96117b50c1b6eb7c4772b0337c1f%40%3Ccvs.httpd.apache.org%3E
    https://lists.apache.org/thread.html/r8828e649175df56f1f9e3919938ac7826128525426e2748f0ab62feb%40%3Ccvs.httpd.apache.org%3E
    https://lists.apache.org/thread.html/r9e8622254184645bc963a1d47c5d47f6d5a36d6f080d8d2c43b2b142%40%3Ccvs.httpd.apache.org%3E
    https://lists.apache.org/thread.html/r9ea3538f229874c80a10af473856a81fbf5f694cd7f471cc679ba70b%40%3Ccvs.httpd.apache.org%3E
    https://lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920%40%3Ccvs.httpd.apache.org%3E
    https://lists.apache.org/thread.html/rdca61ae990660bacb682295f2a09d34612b7bb5f457577fe17f4d064%40%3Ccvs.httpd.apache.org%3E
    https://lists.apache.org/thread.html/re2e23465bbdb17ffe109d21b4f192e6b58221cd7aa8797d530b4cd75%40%3Ccvs.httpd.apache.org%3E
    https://lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9%40%3Ccvs.httpd.apache.org%3E
    https://lists.apache.org/thread.html/rfbaf647d52c1cb843e726a0933f156366a806cead84fbd430951591b%40%3Ccvs.httpd.apache.org%3E
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14638
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14804

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High