--- title: "CVE-2006-3918: http_protocol.c in (1) IBM HTTP Server 6.0… | CubePath" description: "http_protocol.c in (1) IBM HTTP Server 6.0 before 6.0.2.13 and 6.1 before 6.1.0.1, and (2) Apache HTTP Server 1.3 before 1.3.35, 2.0 before 2.0.58…" language: en source: https://cubepath.com/security/cve/CVE-2006-3918 --- # CVE-2006-3918: http_protocol.c in (1) IBM HTTP Server 6.0… | CubePath ## Description http\_protocol.c in (1) IBM HTTP Server 6.0 before 6.0.2.13 and 6.1 before 6.1.0.1, and (2) Apache HTTP Server 1.3 before 1.3.35, 2.0 before 2.0.58, and 2.2 before 2.2.2, does not sanitize the Expect header from an HTTP request when it is reflected back in an error message, which might allow cross-site scripting (XSS) style attacks using web client components that can send arbitrary headers in requests, as demonstrated using a Flash SWF file. Official description from the CVE record, published by mitre. 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-2006-3918) ## 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 0.95145 (95.1% 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. - [ADV-2010-1572](http://www.vupen.com/english/advisories/2010/1572) (vupen.com) vdb-entry - [svn.apache.org/viewvc?view=rev&revision=394965](http://svn.apache.org/viewvc?view=rev&revision=394965) - [28749](http://secunia.com/advisories/28749) (secunia.com) third-party-advisory - [f-secure.com/en\_EMEA/support/security-advisory/fsc-2010-2.h…](http://www.f-secure.com/en%5FEMEA/support/security-advisory/fsc-2010-2.html) - [DSA-1167](http://www.debian.org/security/2006/dsa-1167) (debian.org) vendor-advisory - [19661](http://www.securityfocus.com/bid/19661) (securityfocus.com) vdb-entry - [21744](http://secunia.com/advisories/21744) (secunia.com) third-party-advisory - [20060724 Write-up by Amit Klein: "Forging HTTP request headers with Flash"](http://archives.neohapsis.com/archives/bugtraq/2006-07/0425.html) (archives.neohapsis.com) mailing-list - [HPSBUX02465](http://marc.info/?l=bugtraq&m=125631037611762&w=2) (marc.info) vendor-advisory - [1024144](http://www.securitytracker.com/id?1024144) (securitytracker.com) vdb-entry - [22317](http://secunia.com/advisories/22317) (secunia.com) third-party-advisory - [22523](http://secunia.com/advisories/22523) (secunia.com) third-party-advisory - [SSRT090208](http://marc.info/?l=bugtraq&m=130497311408250&w=2) (marc.info) vendor-advisory - [ADV-2006-5089](http://www.vupen.com/english/advisories/2006/5089) (vupen.com) vdb-entry - [ADV-2006-3264](http://www.vupen.com/english/advisories/2006/3264) (vupen.com) vdb-entry - [20060508 Unfiltered Header Injection in Apache 1.3.34/2.0.57/2.2.1](http://archives.neohapsis.com/archives/bugtraq/2006-05/0151.html) (archives.neohapsis.com) mailing-list - [21598](http://secunia.com/advisories/21598) (secunia.com) third-party-advisory - [21399](http://secunia.com/advisories/21399) (secunia.com) third-party-advisory - [oval:org.mitre.oval:def:10352](https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10352) (oval.cisecurity.org) vdb-entry signature - [support.avaya.com/elmodocs2/security/ASA-2006-194.htm](http://support.avaya.com/elmodocs2/security/ASA-2006-194.htm) - [21478](http://secunia.com/advisories/21478) (secunia.com) third-party-advisory - [RHSA-2006:0619](http://www.redhat.com/support/errata/RHSA-2006-0619.html) (redhat.com) vendor-advisory - [21986](http://secunia.com/advisories/21986) (secunia.com) third-party-advisory - [HPSBUX02612](http://marc.info/?l=bugtraq&m=129190899612998&w=2) (marc.info) vendor-advisory - [www14.software.ibm.com/webapp/set2/subscriptions/pqvcmjd?mo…](http://www14.software.ibm.com/webapp/set2/subscriptions/pqvcmjd?mode=18&ID=3117) - [ADV-2006-4207](http://www.vupen.com/english/advisories/2006/4207) (vupen.com) vdb-entry - [21848](http://secunia.com/advisories/21848) (secunia.com) third-party-advisory - [RHSA-2006:0618](http://rhn.redhat.com/errata/RHSA-2006-0618.html) (rhn.redhat.com) vendor-advisory - [PK24631](http://www-1.ibm.com/support/docview.wss?uid=swg1PK24631) (www-1.ibm.com) vendor-advisory - [SUSE-SA:2008:021](http://lists.opensuse.org/opensuse-security-announce/2008-04/msg00004.html) (lists.opensuse.org) vendor-advisory - [RHSA-2006:0692](http://rhn.redhat.com/errata/RHSA-2006-0692.html) (rhn.redhat.com) vendor-advisory - [40256](http://secunia.com/advisories/40256) (secunia.com) third-party-advisory - [SUSE-SA:2006:051](http://www.novell.com/linux/security/advisories/2006%5F51%5Fapache.html) (novell.com) vendor-advisory - [ADV-2006-2963](http://www.vupen.com/english/advisories/2006/2963) (vupen.com) vdb-entry - [21174](http://secunia.com/advisories/21174) (secunia.com) third-party-advisory - [USN-575-1](http://www.ubuntu.com/usn/usn-575-1) (ubuntu.com) vendor-advisory - [oval:org.mitre.oval:def:12238](https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12238) (oval.cisecurity.org) vdb-entry signature - [29640](http://secunia.com/advisories/29640) (secunia.com) third-party-advisory - [1294](http://securityreason.com/securityalert/1294) (securityreason.com) third-party-advisory - [\[3.9\] 012: SECURITY FIX: October 7, 2006](http://openbsd.org/errata.html#httpd2) (openbsd.org) vendor-advisory - [PK27875](http://www-1.ibm.com/support/docview.wss?uid=swg24013080) (www-1.ibm.com) vendor-advisory - [21172](http://secunia.com/advisories/21172) (secunia.com) third-party-advisory - [kb.vmware.com/KanisaPlatform/Publishing/466/5915871\_f.SAL\_P…](http://kb.vmware.com/KanisaPlatform/Publishing/466/5915871%5Ff.SAL%5FPublic.html) - [1016569](http://securitytracker.com/id?1016569) (securitytracker.com) vdb-entry - [ADV-2006-2964](http://www.vupen.com/english/advisories/2006/2964) (vupen.com) vdb-entry - [22140](http://secunia.com/advisories/22140) (secunia.com) third-party-advisory - [\[httpd-cvs\] 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: 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: 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 - [\[httpd-cvs\] 20210603 svn commit: r1075360 \[1/3\] - in /websites/staging/httpd/trunk/content: ./ security/json/CVE-2021-31618.json security/vulnerabilities\_13.html security/vulnerabilities\_20.html security/vulnerabilities\_22.html security/vulnerabilities\_24.html](https://lists.apache.org/thread.html/r5f9c22f9c28adbd9f00556059edc7b03a5d5bb71d4bb80257c0d34e4%40%3Ccvs.httpd.apache.org%3E) (lists.apache.org) mailing-list - [\[httpd-cvs\] 20210606 svn commit: r1075467 \[1/2\] - in /websites/staging/httpd/trunk/content: ./ security/json/CVE-2021-31618.json security/vulnerabilities\_13.html security/vulnerabilities\_20.html security/vulnerabilities\_22.html security/vulnerabilities\_24.html](https://lists.apache.org/thread.html/rb9c9f42dafa25d2f669dac2a536a03f2575bc5ec1be6f480618aee10%40%3Ccvs.httpd.apache.org%3E) (lists.apache.org) mailing-list - [\[httpd-cvs\] 20210606 svn commit: r1075470 \[1/4\] - 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/rf2f0f3611f937cf6cfb3b4fe4a67f69885855126110e1e3f2fb2728e%40%3Ccvs.httpd.apache.org%3E) (lists.apache.org) mailing-list ## Timeline 1. ID reserved Jul 27, 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, 20:00 UTC. [Sources and licenses](https://cubepath.com/security/cve/legal)