How severe is CVE-2010-2489?

CVE-2010-2489 has a CVSS 2.0 base score of 7.2, rated high severity.

Is CVE-2010-2489 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2010-2489?

CVE-2010-2489 primarily affects Ruby-lang Ruby. In total, 14 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2010-2489?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2010-2489 published?

CVE-2010-2489 was published on 2010-07-12 and last updated on 2026-06-16.

CVE-2010-2489

CVE-2010-2489 is a high-severity vulnerability in Ruby-lang Ruby with a CVSS 2.0 base score of 7.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.

Key facts

Severity: High (CVSS 2.0 base score 7.2)
EPSS exploit prediction: 0% (33rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Ruby-lang Ruby
Published: 2010-07-12
Last modified: 2026-06-16

Description

Buffer overflow in Ruby 1.9.x before 1.9.1-p429 on Windows might allow local users to gain privileges via a crafted ARGF.inplace_mode value that is not properly handled when constructing the filenames of the backup files.

Frequently asked questions

What is CVE-2010-2489?: Buffer overflow in Ruby 1.9.x before 1.9.1-p429 on Windows might allow local users to gain privileges via a crafted ARGF.inplace_mode value that is not properly handled when constructing the filenames of the backup files.
How severe is CVE-2010-2489?: CVE-2010-2489 has a CVSS 2.0 base score of 7.2, rated high severity.
Is CVE-2010-2489 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2010-2489?: CVE-2010-2489 primarily affects Ruby-lang Ruby. In total, 14 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2010-2489?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2010-2489 published?: CVE-2010-2489 was published on 2010-07-12 and last updated on 2026-06-16.

References

Affected products (14)

cpe:2.3:a:ruby-lang:ruby:1.9.0-0:*:*:*:*:*:*:*
cpe:2.3:a:ruby-lang:ruby:1.9.0-1:*:*:*:*:*:*:*
cpe:2.3:a:ruby-lang:ruby:1.9.0-2:*:*:*:*:*:*:*
cpe:2.3:a:ruby-lang:ruby:1.9.0-20060415:*:*:*:*:*:*:*
cpe:2.3:a:ruby-lang:ruby:1.9.0-20070709:*:*:*:*:*:*:*
cpe:2.3:a:ruby-lang:ruby:1.9.1:-p0:*:*:*:*:*:*
cpe:2.3:a:ruby-lang:ruby:1.9.1:-p129:*:*:*:*:*:*
cpe:2.3:a:ruby-lang:ruby:1.9.1:-p243:*:*:*:*:*:*
cpe:2.3:a:ruby-lang:ruby:1.9.1:-p376:*:*:*:*:*:*
cpe:2.3:a:ruby-lang:ruby:1.9.1:-p429:*:*:*:*:*:*
cpe:2.3:a:ruby-lang:ruby:1.9.1:-preview_1:*:*:*:*:*:*
cpe:2.3:a:ruby-lang:ruby:1.9.1:-preview_2:*:*:*:*:*:*
cpe:2.3:a:ruby-lang:ruby:1.9.1:-rc1:*:*:*:*:*:*
cpe:2.3:a:ruby-lang:ruby:1.9.1:-rc2:*:*:*:*:*:*

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