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CVE-2011-3192

The byterange filter in the Apache HTTP Server 1.3.x, 2.0.x through 2.0.64, and 2.2.x through 2.2.19 allows remote attackers to cause a denial of service (memory and CPU consumption) via a Range header that expresses multiple overlapping ranges, as exploited in the wild in August 2011, a different vulnerability than CVE-2007-0086.

Published:Aug 20, 2011

Last Modified:Apr 11, 2025

EPS:Aug 29, 2011

EPSS Score:0.92987

CVSS Score:7.8

Affected Products

Vendor

Product

Action

Vendor

Apache

Product

Http Server

Apache

Http Server

Vendor

Canonical

Product

Ubuntu Linux

Canonical

Ubuntu Linux

Vendor

Opensuse

Product

Opensuse

Opensuse

Opensuse

Vendor

Redhat

Product

Enterprise Linux

Redhat

Enterprise Linux

Vendor

Redhat

Product

Jboss Enterprise Web Server

Redhat

Jboss Enterprise Web Server

Vendor

Redhat

Product

Rhel Els

Redhat

Rhel Els

Vendor

Redhat

Product

Rhel Eus

Redhat

Rhel Eus

Vendor

Redhat

Product

Rhel Mission Critical

Redhat

Rhel Mission Critical

Vendor

Suse

Product

Linux Enterprise Server

Suse

Linux Enterprise Server

Vendor

Suse

Product

Linux Enterprise Software Development Kit

Suse

Linux Enterprise Software Development Kit

Exploits

http://seclists.org/fulldisclosure/2011/Aug/175 http://www.exploit-db.com/exploits/17696 https://bugzilla.redhat.com/show_bug.cgi?id=732928 https://issues.apache.org/bugzilla/show_bug.cgi?id=51714 http://seclists.org/fulldisclosure/2011/Aug/175 http://www.exploit-db.com/exploits/17696 https://bugzilla.redhat.com/show_bug.cgi?id=732928 https://issues.apache.org/bugzilla/show_bug.cgi?id=51714 https://www.exploit-db.com/exploits/18221 https://github.com/bluedragonsecurity/CVE-2011-3192-apache-exploit https://github.com/futurezayka/CVE-2011-3192 https://github.com/limkokholefork/CVE-2011-3192 https://github.com/stcmjp/cve-2011-3192 https://github.com/tkisason/KillApachePy https://www.exploit-db.com/exploits/17696

Common Weakness Enumeration

CWE-400 Uncontrolled Resource Consumption

Common Attack Pattern Enumeration and Classification (CAPEC)

CAPEC-147 XML Ping of the Death

CAPEC-227 Sustained Client Engagement

CAPEC-492 Regular Expression Exponential Blowup

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://archives.neohapsis.com/archives/fulldisclosure/2011-08/0285.html

http://blogs.oracle.com/security/entry/security_alert_for_cve_2011

http://lists.apple.com/archives/Security-announce/2011//Oct/msg00003.html

http://lists.opensuse.org/opensuse-security-announce/2011-09/msg00006.html

http://lists.opensuse.org/opensuse-security-announce/2011-09/msg00009.html

http://lists.opensuse.org/opensuse-security-announce/2011-09/msg00010.html

http://lists.opensuse.org/opensuse-security-announce/2011-09/msg00011.html

http://lists.opensuse.org/opensuse-security-announce/2011-11/msg00008.html

http://lists.opensuse.org/opensuse-security-announce/2011-11/msg00011.html

http://mail-archives.apache.org/mod_mbox/httpd-announce/201108.mbox/%3c20110824161640.122D387DD%40minotaur.apache.org%3e

http://mail-archives.apache.org/mod_mbox/httpd-dev/201108.mbox/%3cCAAPSnn2PO-d-C4nQt_TES2RRWiZr7urefhTKPWBC1b+K1Dqc7g%40mail.gmail.com%3e

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=133477473521382&w=2

http://marc.info/?l=bugtraq&m=133951357207000&w=2

http://marc.info/?l=bugtraq&m=134987041210674&w=2

http://osvdb.org/74721

http://seclists.org/fulldisclosure/2011/Aug/175

http://secunia.com/advisories/45606

http://secunia.com/advisories/45937

http://secunia.com/advisories/46000

http://secunia.com/advisories/46125

http://secunia.com/advisories/46126

http://securitytracker.com/id?1025960

http://support.apple.com/kb/HT5002

http://www.apache.org/dist/httpd/Announcement2.2.html

http://www.cisco.com/en/US/products/products_security_advisory09186a0080b90d73.shtml

http://www.exploit-db.com/exploits/17696

http://www.gossamer-threads.com/lists/apache/dev/401638

http://www.kb.cert.org/vuls/id/405811

http://www.mandriva.com/security/advisories?name=MDVSA-2011:130

http://www.mandriva.com/security/advisories?name=MDVSA-2013:150

http://www.oracle.com/technetwork/topics/security/alert-cve-2011-3192-485304.html

http://www.oracle.com/technetwork/topics/security/cpujan2012-366304.html

http://www.oracle.com/technetwork/topics/security/cpujul2012-392727.html

http://www.oracle.com/technetwork/topics/security/cpuoct2011-330135.html

http://www.redhat.com/support/errata/RHSA-2011-1245.html

http://www.redhat.com/support/errata/RHSA-2011-1294.html

http://www.redhat.com/support/errata/RHSA-2011-1300.html

http://www.redhat.com/support/errata/RHSA-2011-1329.html

http://www.redhat.com/support/errata/RHSA-2011-1330.html

http://www.redhat.com/support/errata/RHSA-2011-1369.html

http://www.securityfocus.com/bid/49303

http://www.ubuntu.com/usn/USN-1199-1

https://bugzilla.redhat.com/show_bug.cgi?id=732928

https://exchange.xforce.ibmcloud.com/vulnerabilities/69396

https://help.ecostruxureit.com/display/public/UADCE725/Security+fixes+in+StruxureWare+Data+Center+Expert+v7.6.0

https://issues.apache.org/bugzilla/show_bug.cgi?id=51714

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/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/r5f9c22f9c28adbd9f00556059edc7b03a5d5bb71d4bb80257c0d34e4%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/rb9c9f42dafa25d2f669dac2a536a03f2575bc5ec1be6f480618aee10%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%3A14762

https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14824

https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18827

http://archives.neohapsis.com/archives/fulldisclosure/2011-08/0285.html

http://blogs.oracle.com/security/entry/security_alert_for_cve_2011

http://lists.apple.com/archives/Security-announce/2011//Oct/msg00003.html

http://lists.opensuse.org/opensuse-security-announce/2011-09/msg00006.html

http://lists.opensuse.org/opensuse-security-announce/2011-09/msg00009.html

http://lists.opensuse.org/opensuse-security-announce/2011-09/msg00010.html

http://lists.opensuse.org/opensuse-security-announce/2011-09/msg00011.html

http://lists.opensuse.org/opensuse-security-announce/2011-11/msg00008.html

http://lists.opensuse.org/opensuse-security-announce/2011-11/msg00011.html

http://mail-archives.apache.org/mod_mbox/httpd-announce/201108.mbox/%3c20110824161640.122D387DD%40minotaur.apache.org%3e

http://mail-archives.apache.org/mod_mbox/httpd-dev/201108.mbox/%3cCAAPSnn2PO-d-C4nQt_TES2RRWiZr7urefhTKPWBC1b+K1Dqc7g%40mail.gmail.com%3e

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=133477473521382&w=2

http://marc.info/?l=bugtraq&m=133951357207000&w=2

http://marc.info/?l=bugtraq&m=134987041210674&w=2

http://osvdb.org/74721

http://seclists.org/fulldisclosure/2011/Aug/175

http://secunia.com/advisories/45606

http://secunia.com/advisories/45937

http://secunia.com/advisories/46000

http://secunia.com/advisories/46125

http://secunia.com/advisories/46126

http://securitytracker.com/id?1025960

http://support.apple.com/kb/HT5002

http://www.apache.org/dist/httpd/Announcement2.2.html

http://www.cisco.com/en/US/products/products_security_advisory09186a0080b90d73.shtml

http://www.exploit-db.com/exploits/17696

http://www.gossamer-threads.com/lists/apache/dev/401638

http://www.kb.cert.org/vuls/id/405811

http://www.mandriva.com/security/advisories?name=MDVSA-2011:130

http://www.mandriva.com/security/advisories?name=MDVSA-2013:150

http://www.oracle.com/technetwork/topics/security/alert-cve-2011-3192-485304.html

http://www.oracle.com/technetwork/topics/security/cpujan2012-366304.html

http://www.oracle.com/technetwork/topics/security/cpujul2012-392727.html

http://www.oracle.com/technetwork/topics/security/cpuoct2011-330135.html

http://www.redhat.com/support/errata/RHSA-2011-1245.html

http://www.redhat.com/support/errata/RHSA-2011-1294.html

http://www.redhat.com/support/errata/RHSA-2011-1300.html

http://www.redhat.com/support/errata/RHSA-2011-1329.html

http://www.redhat.com/support/errata/RHSA-2011-1330.html

http://www.redhat.com/support/errata/RHSA-2011-1369.html

http://www.securityfocus.com/bid/49303

http://www.ubuntu.com/usn/USN-1199-1

https://bugzilla.redhat.com/show_bug.cgi?id=732928

https://exchange.xforce.ibmcloud.com/vulnerabilities/69396

https://help.ecostruxureit.com/display/public/UADCE725/Security+fixes+in+StruxureWare+Data+Center+Expert+v7.6.0

https://issues.apache.org/bugzilla/show_bug.cgi?id=51714

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/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/r5f9c22f9c28adbd9f00556059edc7b03a5d5bb71d4bb80257c0d34e4%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/rb9c9f42dafa25d2f669dac2a536a03f2575bc5ec1be6f480618aee10%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%3A14762

https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14824

https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18827

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