--- title: "CVE-2006-3747: Off-by-one error in the ldap scheme… | CubePath" description: "Off-by-one error in the ldap scheme handling in the Rewrite module (mod_rewrite) in Apache 1.3 from 1.3.28, 2.0.46 and other versions before 2.0.59…" language: en source: https://cubepath.com/security/cve/CVE-2006-3747 --- # CVE-2006-3747: Off-by-one error in the ldap scheme… | CubePath ## Description Off-by-one error in the ldap scheme handling in the Rewrite module (mod\_rewrite) in Apache 1.3 from 1.3.28, 2.0.46 and other versions before 2.0.59, and 2.2, when RewriteEngine is enabled, allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via crafted URLs that are not properly handled using certain rewrite rules. Official description from the CVE record, published by redhat. Copyright © 1999-2026 The MITRE Corporation. See [/security/cve/legal](https://cubepath.com/security/cve/legal) for the CVE license. [View the record on cve.org](https://www.cve.org/CVERecord?id=CVE-2006-3747) ## Key data ### EPSS Exploit Prediction Scoring System by FIRST: an estimate of the probability that exploitation activity will be observed in the next 30 days. Score 0.97131 (97.1% probability) Percentile 99.9% Scores of Nov 10, 2026 Model v2026.06.15 ## References Links listed in the CVE record. They lead to other sites, which CubePath does not control. - [21266](http://secunia.com/advisories/21266) (secunia.com) third-party-advisory - [21307](http://secunia.com/advisories/21307) (secunia.com) third-party-advisory - [HPSBMA02250](http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c01118771) (h20000.www2.hp.com) vendor-advisory - [ADV-2006-3995](http://www.vupen.com/english/advisories/2006/3995) (vupen.com) vdb-entry - [apache-modrewrite-offbyone-bo(28063)](https://exchange.xforce.ibmcloud.com/vulnerabilities/28063) (exchange.xforce.ibmcloud.com) vdb-entry - [102662](http://sunsolve.sun.com/search/document.do?assetkey=1-26-102662-1) (sunsolve.sun.com) vendor-advisory - [SSRT071293](http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c01428449) (h20000.www2.hp.com) vendor-advisory - [www-1.ibm.com/support/docview.wss?uid=swg27007951](http://www-1.ibm.com/support/docview.wss?uid=swg27007951) - [SSRT061265](http://www.securityfocus.com/archive/1/450321/100/0/threaded) (securityfocus.com) vendor-advisory - [ADV-2006-4300](http://www.vupen.com/english/advisories/2006/4300) (vupen.com) vdb-entry - [20060728 \[Announcement\] Apache HTTP Server 2.2.3 (2.0.59, 1.3.37) Released](http://lists.grok.org.uk/pipermail/full-disclosure/2006-July/048271.html) (lists.grok.org.uk) mailing-list - [23028](http://secunia.com/advisories/23028) (secunia.com) third-party-advisory - [svn.apache.org/viewvc?view=rev&revision=426144](http://svn.apache.org/viewvc?view=rev&revision=426144) - [ADV-2006-3282](http://www.vupen.com/english/advisories/2006/3282) (vupen.com) vdb-entry - [21284](http://secunia.com/advisories/21284) (secunia.com) third-party-advisory - [PK29156](http://www-1.ibm.com/support/docview.wss?uid=swg1PK29156) (www-1.ibm.com) vendor-advisory - [kbase.redhat.com/faq/FAQ\_68\_8653.shtm](http://kbase.redhat.com/faq/FAQ%5F68%5F8653.shtm) - [22523](http://secunia.com/advisories/22523) (secunia.com) third-party-advisory - [ADV-2008-1246](http://www.vupen.com/english/advisories/2008/1246/references) (vupen.com) vdb-entry - [SSRT090208](http://marc.info/?l=bugtraq&m=130497311408250&w=2) (marc.info) vendor-advisory - [23260](http://secunia.com/advisories/23260) (secunia.com) third-party-advisory - [ADV-2006-3264](http://www.vupen.com/english/advisories/2006/3264) (vupen.com) vdb-entry - [SUSE-SA:2006:043](http://www.novell.com/linux/security/advisories/2006%5F43%5Fapache.html) (novell.com) vendor-advisory - [ADV-2008-0924](http://www.vupen.com/english/advisories/2008/0924/references) (vupen.com) vdb-entry - [21313](http://secunia.com/advisories/21313) (secunia.com) third-party-advisory - [29849](http://secunia.com/advisories/29849) (secunia.com) third-party-advisory - [ADV-2006-4015](http://www.vupen.com/english/advisories/2006/4015) (vupen.com) vdb-entry - [21273](http://secunia.com/advisories/21273) (secunia.com) third-party-advisory - [TA08-150A](http://www.us-cert.gov/cas/techalerts/TA08-150A.html) (us-cert.gov) third-party-advisory - [21478](http://secunia.com/advisories/21478) (secunia.com) third-party-advisory - [20060728 Apache mod\_rewrite Buffer Overflow Vulnerability](http://www.securityfocus.com/archive/1/441487/100/0/threaded) (securityfocus.com) mailing-list - [GLSA-200608-01](http://security.gentoo.org/glsa/glsa-200608-01.xml) (security.gentoo.org) vendor-advisory - [20060728 \[Announcement\] Apache HTTP Server 2.2.3 (2.0.59, 1.3.37) Released](http://www.securityfocus.com/archive/1/441485/100/0/threaded) (securityfocus.com) mailing-list - [22368](http://secunia.com/advisories/22368) (secunia.com) third-party-advisory - [26329](http://secunia.com/advisories/26329) (secunia.com) third-party-advisory - [HPSBUX02145](http://www.securityfocus.com/archive/1/445206/100/0/threaded) (securityfocus.com) vendor-advisory - [www14.software.ibm.com/webapp/set2/subscriptions/pqvcmjd?mo…](http://www14.software.ibm.com/webapp/set2/subscriptions/pqvcmjd?mode=18&ID=3117) - [102663](http://sunsolve.sun.com/search/document.do?assetkey=1-26-102663-1) (sunsolve.sun.com) vendor-advisory - [29420](http://secunia.com/advisories/29420) (secunia.com) third-party-advisory - [apache.org/dist/httpd/Announcement2.0.html](http://www.apache.org/dist/httpd/Announcement2.0.html) - [19204](http://www.securityfocus.com/bid/19204) (securityfocus.com) vdb-entry - [21245](http://secunia.com/advisories/21245) (secunia.com) third-party-advisory - [ADV-2006-4868](http://www.vupen.com/english/advisories/2006/4868) (vupen.com) vdb-entry - [APPLE-SA-2008-03-18](http://lists.apple.com/archives/security-announce/2008/Mar/msg00001.html) (lists.apple.com) vendor-advisory - [30430](http://secunia.com/advisories/30430) (secunia.com) third-party-advisory - [ADV-2006-4207](http://www.vupen.com/english/advisories/2006/4207) (vupen.com) vdb-entry - [APPLE-SA-2008-05-28](http://lists.apple.com/archives/security-announce/2008//May/msg00001.html) (lists.apple.com) vendor-advisory - [MDKSA-2006:133](http://www.mandriva.com/security/advisories?name=MDKSA-2006:133) (mandriva.com) vendor-advisory - [21315](http://secunia.com/advisories/21315) (secunia.com) third-party-advisory - [VU#395412](http://www.kb.cert.org/vuls/id/395412) (kb.cert.org) third-party-advisory - [21509](http://secunia.com/advisories/21509) (secunia.com) third-party-advisory - [21346](http://secunia.com/advisories/21346) (secunia.com) third-party-advisory - [1016601](http://securitytracker.com/id?1016601) (securitytracker.com) vdb-entry - [docs.info.apple.com/article.html?artnum=307562](http://docs.info.apple.com/article.html?artnum=307562) - [20060728 rPSA-2006-0139-1 httpd mod\_ssl](http://www.securityfocus.com/archive/1/441526/100/200/threaded) (securityfocus.com) mailing-list - [DSA-1131](http://www.debian.org/security/2006/dsa-1131) (debian.org) vendor-advisory - [21247](http://secunia.com/advisories/21247) (secunia.com) third-party-advisory - [ADV-2006-3884](http://www.vupen.com/english/advisories/2006/3884) (vupen.com) vdb-entry - [ADV-2008-1697](http://www.vupen.com/english/advisories/2008/1697) (vupen.com) vdb-entry - [20060820 POC & exploit for Apache mod\_rewrite off-by-one](http://www.securityfocus.com/archive/1/443870/100/0/threaded) (securityfocus.com) mailing-list - [issues.rpath.com/browse/RPL-538](https://issues.rpath.com/browse/RPL-538) - [22262](http://secunia.com/advisories/22262) (secunia.com) third-party-advisory - [openpkg.org/security/advisories/OpenPKG-SA-2006.015-apache.…](http://www.openpkg.org/security/advisories/OpenPKG-SA-2006.015-apache.html) vendor-advisory - [1312](http://securityreason.com/securityalert/1312) (securityreason.com) third-party-advisory - [DSA-1132](http://www.debian.org/security/2006/dsa-1132) (debian.org) vendor-advisory - [PK29154](http://www-1.ibm.com/support/docview.wss?uid=swg1PK29154) (www-1.ibm.com) vendor-advisory - [21241](http://secunia.com/advisories/21241) (secunia.com) third-party-advisory - [ADV-2006-3017](http://www.vupen.com/english/advisories/2006/3017) (vupen.com) vdb-entry - [ADV-2007-2783](http://www.vupen.com/english/advisories/2007/2783) (vupen.com) vdb-entry - [20060728 Apache 1.3.29/2.X mod\_rewrite Buffer Overflow Vulnerability CVE-2006-3747](http://lists.grok.org.uk/pipermail/full-disclosure/2006-July/048267.html) (lists.grok.org.uk) mailing-list - [USN-328-1](http://www.ubuntu.com/usn/usn-328-1) (ubuntu.com) vendor-advisory - [PK27875](http://www-1.ibm.com/support/docview.wss?uid=swg24013080) (www-1.ibm.com) vendor-advisory - [27588](http://www.osvdb.org/27588) (osvdb.org) vdb-entry - [2006-0044](http://lwn.net/Alerts/194228/) (lwn.net) vendor-advisory - [22388](http://secunia.com/advisories/22388) (secunia.com) third-party-advisory - [21197](http://secunia.com/advisories/21197) (secunia.com) third-party-advisory - [\[httpd-cvs\] 20190815 svn commit: r1048742 \[2/4\] - in /websites/staging/httpd/trunk/content: ./ security/vulnerabilities-httpd.xml security/vulnerabilities\_13.html security/vulnerabilities\_20.html security/vulnerabilities\_22.html security/vulnerabilities\_24.html](https://lists.apache.org/thread.html/54a42d4b01968df1117cea77fc53d6beb931c0e05936ad02af93e9ac%40%3Ccvs.httpd.apache.org%3E) (lists.apache.org) mailing-list - [\[httpd-cvs\] 20190815 svn commit: r1048743 \[2/4\] - in /websites/staging/httpd/trunk/content: ./ security/vulnerabilities-httpd.xml security/vulnerabilities\_13.html security/vulnerabilities\_20.html security/vulnerabilities\_22.html security/vulnerabilities\_24.html](https://lists.apache.org/thread.html/5df9bfb86a3b054bb985a45ff9250b0332c9ecc181eec232489e7f79%40%3Ccvs.httpd.apache.org%3E) (lists.apache.org) mailing-list - [\[httpd-cvs\] 20200401 svn commit: r1058586 \[2/4\] - in /websites/staging/httpd/trunk/content: ./ security/vulnerabilities-httpd.xml security/vulnerabilities\_13.html security/vulnerabilities\_20.html security/vulnerabilities\_22.html security/vulnerabilities\_24.html](https://lists.apache.org/thread.html/r0276683d8e1e07153fc8642618830ac0ade85b9ae0dc7b07f63bb8fc%40%3Ccvs.httpd.apache.org%3E) (lists.apache.org) mailing-list - [\[httpd-cvs\] 20200401 svn commit: r1058587 \[2/4\] - in /websites/staging/httpd/trunk/content: ./ security/vulnerabilities-httpd.xml security/vulnerabilities\_13.html security/vulnerabilities\_20.html security/vulnerabilities\_22.html security/vulnerabilities\_24.html](https://lists.apache.org/thread.html/r8828e649175df56f1f9e3919938ac7826128525426e2748f0ab62feb%40%3Ccvs.httpd.apache.org%3E) (lists.apache.org) mailing-list - [\[httpd-cvs\] 20210330 svn commit: r1073139 \[1/13\] - in /websites/staging/httpd/trunk/content: ./ security/json/](https://lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9%40%3Ccvs.httpd.apache.org%3E) (lists.apache.org) mailing-list - [\[httpd-cvs\] 20210330 svn commit: r1073140 \[1/4\] - in /websites/staging/httpd/trunk/content: ./ security/cvejsontohtml.py security/vulnerabilities\_13.html security/vulnerabilities\_20.html security/vulnerabilities\_22.html security/vulnerabilities\_24.html](https://lists.apache.org/thread.html/r5419c9ba0951ef73a655362403d12bb8d10fab38274deb3f005816f5%40%3Ccvs.httpd.apache.org%3E) (lists.apache.org) mailing-list - [\[httpd-cvs\] 20210330 svn commit: r1888194 \[4/13\] - /httpd/site/trunk/content/security/json/](https://lists.apache.org/thread.html/r652fc951306cdeca5a276e2021a34878a76695a9f3cfb6490b4a6840%40%3Ccvs.httpd.apache.org%3E) (lists.apache.org) mailing-list - [\[httpd-cvs\] 20210330 svn commit: r1073140 \[2/4\] - in /websites/staging/httpd/trunk/content: ./ security/cvejsontohtml.py security/vulnerabilities\_13.html security/vulnerabilities\_20.html security/vulnerabilities\_22.html security/vulnerabilities\_24.html](https://lists.apache.org/thread.html/r2cb985de917e7da0848c440535f65a247754db8b2154a10089e4247b%40%3Ccvs.httpd.apache.org%3E) (lists.apache.org) mailing-list - [\[httpd-cvs\] 20210330 svn commit: r1073143 \[2/3\] - in /websites/staging/httpd/trunk/content: ./ security/](https://lists.apache.org/thread.html/r9e8622254184645bc963a1d47c5d47f6d5a36d6f080d8d2c43b2b142%40%3Ccvs.httpd.apache.org%3E) (lists.apache.org) mailing-list - [\[httpd-cvs\] 20210330 svn commit: r1073139 \[4/13\] - in /websites/staging/httpd/trunk/content: ./ security/json/](https://lists.apache.org/thread.html/reb542d2038e9c331506e0cbff881b47e40fbe2bd93ff00979e60cdf7%40%3Ccvs.httpd.apache.org%3E) (lists.apache.org) mailing-list - [\[httpd-cvs\] 20210330 svn commit: r1073149 \[5/13\] - in /websites/staging/httpd/trunk/content: ./ security/ security/json/](https://lists.apache.org/thread.html/rafd145ba6cd0a4ced113a5823cdaff45aeb36eb09855b216401c66d6%40%3Ccvs.httpd.apache.org%3E) (lists.apache.org) mailing-list - [\[httpd-cvs\] 20210330 svn commit: r1073146 \[2/3\] - in /websites/staging/httpd/trunk/content: ./ security/cvejsontohtml.py security/vulnerabilities-httpd.xml security/vulnerabilities\_22.html security/vulnerabilities\_24.html](https://lists.apache.org/thread.html/rdca61ae990660bacb682295f2a09d34612b7bb5f457577fe17f4d064%40%3Ccvs.httpd.apache.org%3E) (lists.apache.org) mailing-list - [\[httpd-cvs\] 20210330 svn commit: r1073149 \[1/13\] - in /websites/staging/httpd/trunk/content: ./ security/ security/json/](https://lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920%40%3Ccvs.httpd.apache.org%3E) (lists.apache.org) mailing-list - [\[httpd-cvs\] 20210606 svn commit: r1075470 \[3/4\] - in /websites/staging/httpd/trunk/content: ./ security/json/CVE-2020-13938.json security/vulnerabilities\_13.html security/vulnerabilities\_20.html security/vulnerabilities\_22.html security/vulnerabilities\_24.html](https://lists.apache.org/thread.html/r75cbe9ea3e2114e4271bbeca7aff96117b50c1b6eb7c4772b0337c1f%40%3Ccvs.httpd.apache.org%3E) (lists.apache.org) mailing-list ## Timeline 1. ID reserved Jul 20, 2006 2. Record published Jul 28, 2006 3. Record last updated Aug 7, 2024 ## Look up another CVE ## About CubePath CubePath is a cloud provider with data centers in Europe and the United States. It offers VPS, bare metal servers and DDoS protection. [Cloud VPS](https://cubepath.com/vps) [DDoS protection](https://cubepath.com/ddos-protection) Data from the CVE Program (MITRE), CISA KEV and FIRST EPSS. CVSS is owned by FIRST and used by permission. Not affiliated with or endorsed by MITRE, CISA or FIRST. Data as of Nov 10, 2026, 20:01 UTC. [Sources and licenses](https://cubepath.com/security/cve/legal)