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Vulnerability record · CVE-2008-0456 · published 25 January 2008

CVE-2008-0456: Apache http server injection vulnerability

Apache · Http Server

CRLF injection vulnerability in the mod_negotiation module in the Apache HTTP Server 2.2.6 and earlier in the 2.2.x series, 2.0.61 and earlier in the 2.0.x series, and 1.3.39 and earlier in the 1.3.x series allows remote authenticated users to inject arbitrary HTTP headers and conduct HTTP response splitting attacks by uploading a file with a multi-line name containing HTTP header sequences and a file extension, which leads to injection within a (1) "406 Not Acceptable" or (2) "300 Multiple Choices" HTTP response when the extension is omitted in a request for the file.

2.6 CVSS 2.0 Low EPSS 19% · top 2.8% CWE-74 · Injection
2.6CVSS 2.0 base score
19%EPSS exploitation probability, 30 days
NoNot in CISA KEV
4Affected product versions listed by NVD
52References, 2 tagged exploit
16 Jun 2026Last modified by NVD

Description

CRLF injection vulnerability in the mod_negotiation module in the Apache HTTP Server 2.2.6 and earlier in the 2.2.x series, 2.0.61 and earlier in the 2.0.x series, and 1.3.39 and earlier in the 1.3.x series allows remote authenticated users to inject arbitrary HTTP headers and conduct HTTP response splitting attacks by uploading a file with a multi-line name containing HTTP header sequences and a file extension, which leads to injection within a (1) "406 Not Acceptable" or (2) "300 Multiple Choices" HTTP response when the extension is omitted in a request for the file.

AV:N/AC:H/Au:N/C:N/I:P/A:N

Affected products

4 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://lists.apple.com/archives/security-announce/2009/May/msg00002.html Broken LinkMailing ListThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2013-0130.html Third Party Advisory
http://secunia.com/advisories/29348 Not ApplicableThird Party Advisory
http://secunia.com/advisories/35074 Not ApplicableThird Party Advisory
http://security.gentoo.org/glsa/glsa-200803-19.xml Third Party Advisory
http://securityreason.com/securityalert/3575 ExploitThird Party Advisory
http://securitytracker.com/id?1019256 Broken LinkThird Party AdvisoryVDB Entry
http://support.apple.com/kb/HT3549 Third Party Advisory
http://www.mindedsecurity.com/MSA01150108.html Broken Link
http://www.securityfocus.com/archive/1/486847/100/0/threaded Third Party AdvisoryVDB Entry
http://www.securityfocus.com/bid/27409 Third Party AdvisoryVDB Entry
http://www.us-cert.gov/cas/techalerts/TA09-133A.html Third Party AdvisoryUS Government Resource
http://www.vupen.com/english/advisories/2009/1297 Permissions RequiredThird Party Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/39893 Third Party AdvisoryVDB Entry
https://lists.apache.org/thread.html/8d63cb8e9100f28a99429b4328e4e7cebce861d5772ac9863ba2ae6f%40%3Ccvs.httpd.apache.org%
https://lists.apache.org/thread.html/f7f95ac1cd9895db2714fa3ebaa0b94d0c6df360f742a40951384a53%40%3Ccvs.httpd.apache.org%
https://lists.apache.org/thread.html/r57608dc51b79102f3952ae06f54d5277b649c86d6533dcd6a7d201f7%40%3Ccvs.httpd.apache.org
https://lists.apache.org/thread.html/r75cbe9ea3e2114e4271bbeca7aff96117b50c1b6eb7c4772b0337c1f%40%3Ccvs.httpd.apache.org
https://lists.apache.org/thread.html/r7dd6be4dc38148704f2edafb44a8712abaa3a2be120d6c3314d55919%40%3Ccvs.httpd.apache.org
https://lists.apache.org/thread.html/r84d043c2115176958562133d96d851495d712aa49da155d81f6733be%40%3Ccvs.httpd.apache.org
https://lists.apache.org/thread.html/r9ea3538f229874c80a10af473856a81fbf5f694cd7f471cc679ba70b%40%3Ccvs.httpd.apache.org
https://lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920%40%3Ccvs.httpd.apache.org
https://lists.apache.org/thread.html/rc4c53a0d57b2771ecd4b965010580db355e38137c8711311ee1073a8%40%3Ccvs.httpd.apache.org
https://lists.apache.org/thread.html/rdca61ae990660bacb682295f2a09d34612b7bb5f457577fe17f4d064%40%3Ccvs.httpd.apache.org
https://lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9%40%3Ccvs.httpd.apache.org
https://lists.apache.org/thread.html/rfbaf647d52c1cb843e726a0933f156366a806cead84fbd430951591b%40%3Ccvs.httpd.apache.org
http://lists.apple.com/archives/security-announce/2009/May/msg00002.html Broken LinkMailing ListThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2013-0130.html Third Party Advisory
http://secunia.com/advisories/29348 Not ApplicableThird Party Advisory
http://secunia.com/advisories/35074 Not ApplicableThird Party Advisory
http://security.gentoo.org/glsa/glsa-200803-19.xml Third Party Advisory
http://securityreason.com/securityalert/3575 ExploitThird Party Advisory
http://securitytracker.com/id?1019256 Broken LinkThird Party AdvisoryVDB Entry
http://support.apple.com/kb/HT3549 Third Party Advisory
http://www.mindedsecurity.com/MSA01150108.html Broken Link
http://www.securityfocus.com/archive/1/486847/100/0/threaded Third Party AdvisoryVDB Entry
http://www.securityfocus.com/bid/27409 Third Party AdvisoryVDB Entry
http://www.us-cert.gov/cas/techalerts/TA09-133A.html Third Party AdvisoryUS Government Resource
http://www.vupen.com/english/advisories/2009/1297 Permissions RequiredThird Party Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/39893 Third Party AdvisoryVDB Entry

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Source: NIST National Vulnerability Database (record CVE-2008-0456), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.