CVE-2007-3947

Severity: medium (CVSS 5.8 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 8.1% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2007-07-24 · updated 2026-06-16

Description

request.c in lighttpd 1.4.15 allows remote attackers to cause a denial of service (daemon crash) by sending an HTTP request with duplicate headers, as demonstrated by a request containing two Location header lines, which results in a segmentation fault.

Affected products

lighttpd: through 1.4.15

References

http://osvdb.org/38313
http://secunia.com/advisories/26130
http://secunia.com/advisories/26158
http://secunia.com/advisories/26505
http://secunia.com/advisories/26593
http://security.gentoo.org/glsa/glsa-200708-11.xml
http://trac.lighttpd.net/trac/changeset/1869
http://trac.lighttpd.net/trac/ticket/1232
http://www.debian.org/security/2007/dsa-1362
http://www.novell.com/linux/security/advisories/2007_15_sr.html
http://www.securityfocus.com/archive/1/474131/100/0/threaded
http://www.securityfocus.com/bid/24967

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