CVE-2007-3947: n/a vulnerability

CVE-2007-3947: request.c in lighttpd 1.4.15 allows remote attackers to cause a denial of service (daemon crash) by sending...

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.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 7, 2024, 14:37 UTC (UTC+00:00)

Security readout for executives and security teams

CVE-2007-3947 is a remote denial-of-service issue in lighttpd 1.4.15. A malformed HTTP request with duplicate headers can crash the web server daemon, interrupting service availability. The sources do not describe data theft, privilege escalation, or code execution. Exposure is most likely where lighttpd 1.4.15 is still deployed on reachable web services. Modern systems are unlikely to be affected unless running legacy packages, embedded appliances, or unmaintained images that include this specific version. Prioritize remediation for public-facing or business-critical sites that still run lighttpd 1.4.15. The business risk is service outage, not confirmed compromise. Legacy exposure should be closed through standard package updates and availability monitoring. Mitigation focus: Inventory internet-facing and internal lighttpd instances and record exact versions.; Upgrade lighttpd using vendor-supported packages or guidance from the relevant distribution advisory.; Review the upstream lighttpd ticket and changeset for fix context..

Prepared: Jun 29, 2026, 04:20 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Jul 24, 2007, 00:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

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CVE List V5 sourceCVE List V5

Affected products

Products and packages named in the record

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