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CVE-2008-2726

Integer overflow in the (1) rb_ary_splice function in Ruby 1.8.4 and earlier, 1.8.5 before 1.8.5-p231, 1.8.6 before 1.8.6-p230, 1.8.7 before 1.8.7-p22, and 1.9.0 before 1.9.0-2; and (2) the rb_ary_replace function in 1.6.x allows context-dependent attackers to trigger memory corruption, aka the "beg + rlen" issue. NOTE: as of 20080624, there has been inconsistent usage of multiple CVE…

Severity
High 7.8
Published
24 Jun 2008
Last changed
16 Jun 2026
Added to UpHeron
21 Oct 2026
Fixed in
1.8.5.231, 1.8.6.230, 1.8.7.22, 1.9.0.2
Exploit chance
3.8% in the next 30 daysHigher than 90% of CVEs. EPSS by FIRST, 12 Nov 2026
Weakness
CWE-189
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

Description

Integer overflow in the (1) rb_ary_splice function in Ruby 1.8.4 and earlier, 1.8.5 before 1.8.5-p231, 1.8.6 before 1.8.6-p230, 1.8.7 before 1.8.7-p22, and 1.9.0 before 1.9.0-2; and (2) the rb_ary_replace function in 1.6.x allows context-dependent attackers to trigger memory corruption, aka the "beg + rlen" issue. NOTE: as of 20080624, there has been inconsistent usage of multiple CVE identifiers related to Ruby. The CVE description should be regarded as authoritative, although it is likely to change.

From NVD.

Affected software

SoftwareAffected versions
RubyServers and applications · cpe:a:ruby-lang:ruby
  • Every version up to 1.8.4
  • From 1.8.5 before 1.8.5.231
  • From 1.8.6 before 1.8.6.230
  • From 1.8.7 before 1.8.7.22
  • From 1.9.0 before 1.9.0.2

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2008-2726
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2008-2726