Is CVE-2006-3918 being actively exploited?

CVE-2006-3918 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2006-3918?

CVE-2006-3918 has a CVSS 2.0 base score of 4.3 (MEDIUM).

CVE-2006-3918

MEDIUM · CVSS 4.3EPSS 95.1%EU EUVD

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.

Key facts

CVSS score: 4.3 (v2.0)
Severity: MEDIUM
CVSS vector: AV:N/AC:M/Au:N/C:N/I:P/A:N
Weakness (CWE): CWE-79
EPSS score: 95.1% (100th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2006-3912)
Published: July 28, 2006
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2006-3912 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.

View on the EU Vulnerability Database

Affected products

apache / http server
canonical / ubuntu linux
canonical / ubuntu linux
canonical / ubuntu linux
canonical / ubuntu linux
debian / debian linux
redhat / enterprise linux server
redhat / enterprise linux workstation

References

ftp://patches.sgi.com/support/free/security/advisories/20060801-01-P(Broken Link)
http://archives.neohapsis.com/archives/bugtraq/2006-05/0151.html(Broken Link, Exploit)
http://archives.neohapsis.com/archives/bugtraq/2006-07/0425.html(Broken Link, Exploit)
http://kb.vmware.com/KanisaPlatform/Publishing/466/5915871_f.SAL_Public.html(Third Party Advisory)
http://lists.opensuse.org/opensuse-security-announce/2008-04/msg00004.html(Mailing List, Third Party Advisory)
http://marc.info/?l=bugtraq&m=125631037611762&w=2(Issue Tracking, Mailing List, Third Party Advisory)
http://marc.info/?l=bugtraq&m=129190899612998&w=2(Issue Tracking, Mailing List, Third Party Advisory)
http://marc.info/?l=bugtraq&m=130497311408250&w=2(Issue Tracking, Mailing List, Third Party Advisory)
http://openbsd.org/errata.html#httpd2(Third Party Advisory)
http://rhn.redhat.com/errata/RHSA-2006-0618.html(Third Party Advisory)
http://rhn.redhat.com/errata/RHSA-2006-0692.html(Third Party Advisory)
http://secunia.com/advisories/21172(Not Applicable, Patch, Vendor Advisory)
http://secunia.com/advisories/21174(Not Applicable, Patch, Vendor Advisory)
http://secunia.com/advisories/21399(Not Applicable)
http://secunia.com/advisories/21478(Not Applicable)
http://secunia.com/advisories/21598(Not Applicable)
http://secunia.com/advisories/21744(Not Applicable)
http://secunia.com/advisories/21848(Not Applicable)
http://secunia.com/advisories/21986(Not Applicable)
http://secunia.com/advisories/22140(Not Applicable)
http://secunia.com/advisories/22317(Not Applicable)
http://secunia.com/advisories/22523(Not Applicable)
http://secunia.com/advisories/28749(Not Applicable)
http://secunia.com/advisories/29640(Not Applicable)
http://secunia.com/advisories/40256(Not Applicable)
http://securityreason.com/securityalert/1294(Exploit, Third Party Advisory)
http://securitytracker.com/id?1016569(Broken Link, Third Party Advisory, VDB Entry)
http://support.avaya.com/elmodocs2/security/ASA-2006-194.htm(Third Party Advisory)
http://svn.apache.org/viewvc?view=rev&revision=394965(Exploit, Vendor Advisory)
http://www-1.ibm.com/support/docview.wss?uid=swg1PK24631(Third Party Advisory)
http://www-1.ibm.com/support/docview.wss?uid=swg24013080(Third Party Advisory)
http://www.debian.org/security/2006/dsa-1167(Third Party Advisory)
http://www.f-secure.com/en_EMEA/support/security-advisory/fsc-2010-2.html(Third Party Advisory)
http://www.novell.com/linux/security/advisories/2006_51_apache.html(Third Party Advisory)
http://www.redhat.com/support/errata/RHSA-2006-0619.html(Third Party Advisory)
http://www.securityfocus.com/bid/19661(Third Party Advisory, VDB Entry)
http://www.securitytracker.com/id?1024144(Broken Link, Third Party Advisory, VDB Entry)
http://www.ubuntu.com/usn/usn-575-1(Third Party Advisory)
http://www.vupen.com/english/advisories/2006/2963(Permissions Required)
http://www.vupen.com/english/advisories/2006/2964(Permissions Required)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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