Is CVE-2008-2662 in the CISA KEV catalog?

No. CVE-2008-2662 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2008-2662?

CVE-2008-2662 has a CVSS v2 base score of 10.0 (HIGH).

What is the EPSS score for CVE-2008-2662?

CVE-2008-2662 has an EPSS score of 4.26% (90th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2008-2662?

Upgrade Ruby 3.0 to 1.8.6.230 or later. Fixes are available for 6 affected products.

CVE & CISA-KEV Catalog

CVE-2008-2662

HIGHEPSS 90th pctl

10.0

CVSS v2

NVD

Description

Multiple integer overflows in the rb_str_buf_append 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 allow context-dependent attackers to execute arbitrary code or cause a denial of service via unknown vectors that trigger memory corruption, a different issue than CVE-2008-2663, CVE-2008-2664, and CVE-2008-2725. NOTE: as of 20080624, there has been inconsistent usage of multiple CVE identifiers related to Ruby. This CVE description should be regarded as authoritative, although it is likely to change.

CWE-189

How to fix

Remediation Available

Ruby 3.0Windows application

Affected:1.8.6 1.8.6.230Fixed in:1.8.6.230RubyInstaller Team

Affected:1.8.5 1.8.5.231Fixed in:1.8.5.231RubyInstaller Team

Affected:1.8.7 1.8.7.22Fixed in:1.8.7.22RubyInstaller Team

Affected:1.9.0 1.9.0.2Fixed in:1.9.0.2RubyInstaller Team

Ruby 3.1Windows application

Affected:1.8.5 1.8.5.231Fixed in:1.8.5.231RubyInstaller Team

Affected:1.8.7 1.8.7.22Fixed in:1.8.7.22RubyInstaller Team

Affected:1.8.6 1.8.6.230Fixed in:1.8.6.230RubyInstaller Team

Affected:1.9.0 1.9.0.2Fixed in:1.9.0.2RubyInstaller Team

Ruby 3.2Windows application

Affected:1.9.0 1.9.0.2Fixed in:1.9.0.2RubyInstaller Team

Affected:1.8.6 1.8.6.230Fixed in:1.8.6.230RubyInstaller Team

Affected:1.8.7 1.8.7.22Fixed in:1.8.7.22RubyInstaller Team

Affected:1.8.5 1.8.5.231Fixed in:1.8.5.231RubyInstaller Team

Ruby 3.2 with MSYS2Windows application

Affected:1.8.7 1.8.7.22Fixed in:1.8.7.22RubyInstaller Team

Affected:1.8.5 1.8.5.231Fixed in:1.8.5.231RubyInstaller Team

Affected:1.8.6 1.8.6.230Fixed in:1.8.6.230RubyInstaller Team

Affected:1.9.0 1.9.0.2Fixed in:1.9.0.2RubyInstaller Team

Ruby 3.3Windows application

Affected:1.8.6 1.8.6.230Fixed in:1.8.6.230RubyInstaller Team

Affected:1.8.5 1.8.5.231Fixed in:1.8.5.231RubyInstaller Team

Affected:1.9.0 1.9.0.2Fixed in:1.9.0.2RubyInstaller Team

Affected:1.8.7 1.8.7.22Fixed in:1.8.7.22RubyInstaller Team

Ruby 3.3 with MSYS2Windows application

Affected:1.8.5 1.8.5.231Fixed in:1.8.5.231RubyInstaller Team

Affected:1.9.0 1.9.0.2Fixed in:1.9.0.2RubyInstaller Team

Affected:1.8.7 1.8.7.22Fixed in:1.8.7.22RubyInstaller Team

Affected:1.8.6 1.8.6.230Fixed in:1.8.6.230RubyInstaller Team

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

4.26%probability of exploitation in 30 days

90thpercentile

Elevated risk: more likely to be exploited than 90% of all known CVEs.

References

Related Vulnerabilities

Other CWE-189 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2015-1538	High	10.0	99%	-	-
CVE-2006-3747	High	7.6	96%	-	Fix
CVE-2007-0071	High	9.3	93%	-	-
CVE-2015-3829	High	10.0	90%	-	-
CVE-2015-3864	High	10.0	87%	-	-
CVE-2015-1539	High	10.0	86%	-	-

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-23.