Is CVE-2008-2663 being actively exploited?

CVE-2008-2663 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2008-2663?

CVE-2008-2663 has a CVSS 2.0 base score of 10.0 (HIGH).

CVE-2008-2663

HIGH · CVSS 10.0EPSS 4.5%EU EUVD

Multiple integer overflows in the rb_ary_store function in Ruby 1.8.4 and earlier, 1.8.5 before 1.8.5-p231, 1.8.6 before 1.8.6-p230, and 1.8.7 before 1.8.7-p22 allow context-dependent attackers to execute arbitrary code or cause a denial of service via unknown vectors, a different issue than CVE-2008-2662, CVE-2008-2664, and CVE-2008-2725. 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.

Key facts

CVSS score: 10.0 (v2.0)
Severity: HIGH
CVSS vector: AV:N/AC:L/Au:N/C:C/I:C/A:C
Weakness (CWE): CWE-190
EPSS score: 4.5% (91th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2008-2658)
Published: June 24, 2008
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2008-2658 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.

View on the EU Vulnerability Database

Affected products

canonical / ubuntu linux
canonical / ubuntu linux
canonical / ubuntu linux
canonical / ubuntu linux
debian / debian linux
ruby-lang / ruby

References

http://blog.phusion.nl/2008/06/23/ruby-186-p230187-broke-your-app-ruby-enterprise-edition-to-the-rescue/(Third Party Advisory)
http://lists.apple.com/archives/security-announce/2008//Jun/msg00002.html(Mailing List, Third Party Advisory)
http://lists.opensuse.org/opensuse-security-announce/2008-08/msg00006.html(Third Party Advisory)
http://secunia.com/advisories/30802(Third Party Advisory)
http://secunia.com/advisories/30831(Third Party Advisory)
http://secunia.com/advisories/30867(Third Party Advisory)
http://secunia.com/advisories/30875(Third Party Advisory)
http://secunia.com/advisories/30894(Third Party Advisory)
http://secunia.com/advisories/31062(Third Party Advisory)
http://secunia.com/advisories/31090(Third Party Advisory)
http://secunia.com/advisories/31181(Third Party Advisory)
http://secunia.com/advisories/31256(Third Party Advisory)
http://secunia.com/advisories/31687(Third Party Advisory)
http://secunia.com/advisories/33178(Third Party Advisory)
http://security.gentoo.org/glsa/glsa-200812-17.xml(Third Party Advisory)
http://slackware.com/security/viewer.php?l=slackware-security&y=2008&m=slackware-security.429562(Mailing List, Third Party Advisory)
http://support.apple.com/kb/HT2163(Third Party Advisory)
http://weblog.rubyonrails.org/2008/6/21/multiple-ruby-security-vulnerabilities(Third Party Advisory)
http://wiki.rpath.com/wiki/Advisories:rPSA-2008-0206(Broken Link)
http://www.debian.org/security/2008/dsa-1612(Third Party Advisory)
http://www.debian.org/security/2008/dsa-1618(Third Party Advisory)
http://www.mandriva.com/security/advisories?name=MDVSA-2008:140(Third Party Advisory)
http://www.mandriva.com/security/advisories?name=MDVSA-2008:141(Third Party Advisory)
http://www.mandriva.com/security/advisories?name=MDVSA-2008:142(Third Party Advisory)
http://www.matasano.com/log/1070/updates-on-drew-yaos-terrible-ruby-vulnerabilities/(Third Party Advisory)
http://www.redhat.com/support/errata/RHSA-2008-0561.html(Third Party Advisory)
http://www.ruby-forum.com/topic/157034(Third Party Advisory)
http://www.ruby-lang.org/en/news/2008/06/20/arbitrary-code-execution-vulnerabilities/(Patch, Vendor Advisory)
http://www.rubyinside.com/june-2008-ruby-security-vulnerabilities-927.html(Third Party Advisory)
http://www.securityfocus.com/archive/1/493688/100/0/threaded(Third Party Advisory, VDB Entry)
http://www.securityfocus.com/bid/29903(Third Party Advisory, VDB Entry)
http://www.securitytracker.com/id?1020347(Third Party Advisory, VDB Entry)
http://www.ubuntu.com/usn/usn-621-1(Third Party Advisory)
http://www.vupen.com/english/advisories/2008/1907/references(Third Party Advisory)
http://www.vupen.com/english/advisories/2008/1981/references(Third Party Advisory)
http://www.zedshaw.com/rants/the_big_ruby_vulnerabilities.html(Broken Link)
https://exchange.xforce.ibmcloud.com/vulnerabilities/43346(Third Party Advisory, VDB Entry)
https://issues.rpath.com/browse/RPL-2626(Broken Link)
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10524(Third Party Advisory)
https://www.redhat.com/archives/fedora-package-announce/2008-June/msg00937.html(Third Party Advisory)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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