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Servers and applications

CVE-2009-1904

The BigDecimal library in Ruby 1.8.6 before p369 and 1.8.7 before p173 allows context-dependent attackers to cause a denial of service (application crash) via a string argument that represents a large number, as demonstrated by an attempted conversion to the Float data type.

Severity
Medium 5.0
Published
11 Jun 2009
Last changed
16 Jun 2026
Added to UpHeron
21 Oct 2026
Exploit chance
13% in the next 30 daysHigher than 96% of CVEs. EPSS by FIRST, 12 Nov 2026
Weakness
CWE-189
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
RubyServers and applications · cpe:a:ruby-lang:ruby
  • Version 1.8.6
  • Version 1.8.7

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2009-1904
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2009-1904