Unrated severityNVD Advisory· Published Sep 12, 2007· Updated Jun 16, 2026
CVE-2007-4727
CVE-2007-4727
Description
Buffer overflow in the fcgi_env_add function in mod_proxy_backend_fastcgi.c in the mod_fastcgi extension in lighttpd before 1.4.18 allows remote attackers to overwrite arbitrary CGI variables and execute arbitrary code via an HTTP request with a long content length, as demonstrated by overwriting the SCRIPT_FILENAME variable, aka a "header overflow."
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2Patches
Vulnerability mechanics
References
18- secunia.com/advisories/26732nvdVendor Advisory
- fedoranews.org/updates/FEDORA-2007-213.shtmlnvd
- secunia.com/advisories/26794nvd
- secunia.com/advisories/26824nvd
- secunia.com/advisories/26997nvd
- secunia.com/advisories/27229nvd
- securityreason.com/securityalert/3127nvd
- secweb.se/en/advisories/lighttpd-fastcgi-remote-vulnerability/nvd
- trac.lighttpd.net/trac/changeset/1986nvd
- www.gentoo.org/security/en/glsa/glsa-200709-16.xmlnvd
- www.lighttpd.net/assets/2007/9/9/lighttpd_sa_2007_12.txtnvd
- www.novell.com/linux/security/advisories/2007_20_sr.htmlnvd
- www.securityfocus.com/archive/1/479763/100/0/threadednvd
- www.securityfocus.com/bid/25622nvd
- www.vupen.com/english/advisories/2007/3110nvd
- bugzilla.redhat.com/show_bug.cginvd
- exchange.xforce.ibmcloud.com/vulnerabilities/36526nvd
- issues.rpath.com/browse/RPL-1715nvd
News mentions
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