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Vulnerability details: VCID-3cea-3rkm-r7gs
Vulnerability ID VCID-3cea-3rkm-r7gs
Aliases CVE-2011-0419
Summary A flaw was found in the apr_fnmatch() function of the bundled APR library. Where mod_autoindex is enabled, and a directory indexed by mod_autoindex contained files with sufficiently long names, a remote attacker could send a carefully crafted request which would cause excessive CPU usage. This could be used in a denial of service attack. Workaround: Setting the 'IgnoreClient' option to the 'IndexOptions' directive disables processing of the client-supplied request query arguments, preventing this attack. Resolution: Update APR to release 1.4.5 (bundled with httpd 2.2.19) or release 0.9.20 (bundled with httpd 2.0.65)
Status Published
Exploitability 2.0
Weighted Severity 4.8
Risk 9.6
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-770 Allocation of Resources Without Limits or Throttling
System Score Found at
epss 0.48782 https://api.first.org/data/v1/epss?cve=CVE-2011-0419
epss 0.48782 https://api.first.org/data/v1/epss?cve=CVE-2011-0419
epss 0.48782 https://api.first.org/data/v1/epss?cve=CVE-2011-0419
epss 0.48782 https://api.first.org/data/v1/epss?cve=CVE-2011-0419
epss 0.48782 https://api.first.org/data/v1/epss?cve=CVE-2011-0419
epss 0.48782 https://api.first.org/data/v1/epss?cve=CVE-2011-0419
epss 0.48782 https://api.first.org/data/v1/epss?cve=CVE-2011-0419
epss 0.48782 https://api.first.org/data/v1/epss?cve=CVE-2011-0419
epss 0.48782 https://api.first.org/data/v1/epss?cve=CVE-2011-0419
apache_httpd moderate https://httpd.apache.org/security/json/CVE-2011-0419.json
cvssv2 4.3 https://nvd.nist.gov/vuln/detail/CVE-2011-0419
Reference id Reference type URL
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
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2011-0419.json
https://api.first.org/data/v1/epss?cve=CVE-2011-0419
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-0419
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
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://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
703390 https://bugzilla.redhat.com/show_bug.cgi?id=703390
cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:*
cpe:2.3:a:apache:portable_runtime:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:apache:portable_runtime:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.6.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:apple:mac_os_x:10.6.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:5.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:5.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:6.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:6.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:freebsd:freebsd:*:*:*:*:*:*:*:*
cpe:2.3:o:google:android:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:google:android:*:*:*:*:*:*:*:*
cpe:2.3:o:netbsd:netbsd:5.1:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:netbsd:netbsd:5.1:*:*:*:*:*:*:*
cpe:2.3:o:openbsd:openbsd:4.8:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:openbsd:openbsd:4.8:*:*:*:*:*:*:*
cpe:2.3:o:oracle:solaris:10:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:oracle:solaris:10:*:*:*:*:*:*:*
cpe:2.3:o:suse:linux_enterprise_server:10:sp3:*:*:-:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:suse:linux_enterprise_server:10:sp3:*:*:-:*:*:*
CVE-2011-0419 https://httpd.apache.org/security/json/CVE-2011-0419.json
CVE-2011-0419 https://nvd.nist.gov/vuln/detail/CVE-2011-0419
CVE-2011-0419;OSVDB-73383 Exploit https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/linux/dos/35738.php
CVE-2011-0419;OSVDB-73383 Exploit https://www.securityfocus.com/bid/47820/info
GLSA-201405-24 https://security.gentoo.org/glsa/201405-24
RHSA-2011:0507 https://access.redhat.com/errata/RHSA-2011:0507
USN-1134-1 https://usn.ubuntu.com/1134-1/
Data source Exploit-DB
Date added May 12, 2011
Description Apache 1.4/2.2.x - APR 'apr_fnmatch()' Denial of Service
Ransomware campaign use Known
Source publication date May 12, 2011
Exploit type dos
Platform linux
Source update date Jan. 9, 2015
Source URL https://www.securityfocus.com/bid/47820/info
Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2011-0419
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Exploit Prediction Scoring System (EPSS)
Percentile 0.97735
EPSS Score 0.48782
Published At April 1, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T12:36:17.200675+00:00 Apache HTTPD Importer Import https://httpd.apache.org/security/json/CVE-2011-0419.json 38.0.0