UpHeron
All vulnerabilities

Servers and applications

CVE-2003-0254

Apache 2 before 2.0.47, when running on an IPv6 host, allows attackers to cause a denial of service (CPU consumption by infinite loop) when the FTP proxy server fails to create an IPv6 socket.

Severity
Medium 5.0
Published
18 Aug 2003
Last changed
16 Jun 2026
Added to UpHeron
17 Oct 2026
Exploit chance
9.2% in the next 30 daysHigher than 95% 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
Apache HTTP ServerServers and applications · cpe:a:apache:http_server
  • Version 2.0.46
  • Version 2.0.45
  • Version 2.0.44
  • Version 2.0.43
All 15 release lines
  • Version 2.0
  • Version 2.0.28
  • Version 2.0.32
  • Version 2.0.35
  • Version 2.0.36
  • Version 2.0.37
  • Version 2.0.38
  • Version 2.0.39
  • Version 2.0.40
  • Version 2.0.41
  • Version 2.0.42
  • Version 2.0.43
  • Version 2.0.44
  • Version 2.0.45
  • Version 2.0.46

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2003-0254
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2003-0254