CVE-2007-3947
request.c in lighttpd 1.4.15 allows remote attackers to cause a denial of service (daemon crash)...
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2007-3947- CVSS 2.0
- 5.8 Medium
AV:N/AC:M/Au:N/C:P/I:N/A:P - Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2007-3947- Updated
- 2026-11-02
EUVDEUVD-2007-3931 No score
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.
- Record
EUVD-2007-3931- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-x97h-9f4h-rj28 No score
request.c in lighttpd 1.4.15 allows remote attackers to cause a denial of service (daemon crash)...
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.
- Record
GHSA-x97h-9f4h-rj28- Updated
- 2026-11-02
OSV No score
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.
- Record
CVE-2007-3947- Updated
- 2026-11-02
OSVDEBIAN-CVE-2007-3947 No score
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.
- Record
DEBIAN-CVE-2007-3947- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
lighttpdDebian:12 |
before 1.4.16-1 | 1.4.16-1 |
lighttpdDebian:13 |
before 1.4.16-1 | 1.4.16-1 |
lighttpdDebian:14 |
before 1.4.16-1 | 1.4.16-1 |
lighttpdDebian:4.0 From an advisory covering 5 CVEs |
before 1.4.13-4etch4, plus listed versions 1.4.13-41.4.13-4etch11.4.13-4etch21.4.13-4etch3 |
1.4.13-4etch4 |
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | Lighttpd 1.4.15 - Multiple Code Execution / Denial of Service / Information Disclosure Vulnerabilities | 2007-04-16 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| aliases | EUVD | |
| affected, aliases, exploits, facts, references, title | Exploit-DB, GitHub Advisories, OSV | |
| first indexed | CVE List, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2007-3947 is a medium vulnerability (CVSS 5.8) in Lighttpd, published July 24, 2007. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 8.07%, the 94th percentile. Fixed in lighttpd 1.4.16-1.
References
secunia.com/advisories/26158
trac.lighttpd.net/trac/changeset/1869
osvdb.org/38313
vupen.com/english/advisories/2007/2585
securityfocus.com/archive/1/474131/100/0/threaded
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debian.org/security/2007/dsa-1362
security.gentoo.org/glsa/glsa-200708-11.xml
novell.com/linux/security/advisories/2007_15_sr.html
nvd.nist.gov/vuln/detail/CVE-2007-3947
github.com/advisories/GHSA-x97h-9f4h-rj28
security-tracker.debian.org/tracker/CVE-2007-3947