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Servers and applications

CVE-2008-4310

httputils.rb in WEBrick in Ruby 1.8.1 and 1.8.5, as used in Red Hat Enterprise Linux 4 and 5, allows remote attackers to cause a denial of service (CPU consumption) via a crafted HTTP request. NOTE: this issue exists because of an incomplete fix for CVE-2008-3656.

Severity
High 7.8
Published
9 Dec 2008
Last changed
16 Jun 2026
Added to UpHeron
21 Oct 2026
Exploit chance
14% in the next 30 daysHigher than 96% of CVEs. EPSS by FIRST, 12 Nov 2026
Weakness
CWE-399
Attack
Over the network · No login needed
Attacker can
Take it down
CVSS vector
AV:N/AC:L/Au:N/C:N/I:N/A:C
Sources
NVD

Affected software

SoftwareAffected versions
RubyServers and applications · cpe:a:ruby-lang:ruby
  • Version 1.8.1
  • Version 1.8.5

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2008-4310
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2008-4310