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Servers and applications

CVE-2007-1869

lighttpd 1.4.12 and 1.4.13 allows remote attackers to cause a denial of service (cpu and resource consumption) by disconnecting while lighttpd is parsing CRLF sequences, which triggers an infinite loop and file descriptor consumption.

Severity
Medium 5.0
Published
18 Apr 2007
Last changed
16 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
3.4% in the next 30 daysHigher than 88% of CVEs. EPSS by FIRST, 12 Nov 2026
Attack
Over the network · No login needed
Attacker can
Slow it down
CVSS vector
AV:N/AC:L/Au:N/C:N/I:N/A:P
Sources
NVD

Affected software

SoftwareAffected versions
lighttpdServers and applications · cpe:a:lighttpd:lighttpd
  • Version 1.4.12
  • Version 1.4.13

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2007-1869
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2007-1869