VULNERABILITY INTELLIGENCE
CVE-2007-4727
CVSS score6.8 MEDIUM
EPSS probability12.90%
CISA KEVNot currently listed
Published2007-09-12
Last modified2026-06-16
CVSS vectorAV:N/AC:M/Au:N/C:P/I:P/A:P
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."
Weakness classification
- CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer