Buffer overflow in Ruby 1.9.x before 1.9.1-p429 on Windows might allow local users to…
Priority LOW 32CWE-119Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- Complete · Complete · Complete
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.
Summary
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.
Why it matters now
EPSS 0.00406 35th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 15
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:ruby-lang:ruby:1.9.0-0:*:*:*:*:*:*:* | 1.9.0-0 | Vulnerable | ruby |
| cpe:2.3:a:ruby-lang:ruby:1.9.0-1:*:*:*:*:*:*:* | 1.9.0-1 | Vulnerable | ruby |
| cpe:2.3:a:ruby-lang:ruby:1.9.0-2:*:*:*:*:*:*:* | 1.9.0-2 | Vulnerable | ruby |
| cpe:2.3:a:ruby-lang:ruby:1.9.0-20060415:*:*:*:*:*:*:* | 1.9.0-20060415 | Vulnerable | ruby |
| cpe:2.3:a:ruby-lang:ruby:1.9.0-20070709:*:*:*:*:*:*:* | 1.9.0-20070709 | Vulnerable | ruby |
| cpe:2.3:a:ruby-lang:ruby:1.9.1:-p0:*:*:*:*:*:* | 1.9.1 -p0 | Vulnerable | ruby |
| cpe:2.3:a:ruby-lang:ruby:1.9.1:-p129:*:*:*:*:*:* | 1.9.1 -p129 | Vulnerable | ruby |
| cpe:2.3:a:ruby-lang:ruby:1.9.1:-p243:*:*:*:*:*:* | 1.9.1 -p243 | Vulnerable | ruby |
| cpe:2.3:a:ruby-lang:ruby:1.9.1:-p376:*:*:*:*:*:* | 1.9.1 -p376 | Vulnerable | ruby |
| cpe:2.3:a:ruby-lang:ruby:1.9.1:-p429:*:*:*:*:*:* | 1.9.1 -p429 | Vulnerable | ruby |
- cpe:2.3:a:ruby-lang:ruby:1.9.0-0:*:*:*:*:*:*:* Versions 1.9.0-0 Vulnerable ·ruby
- cpe:2.3:a:ruby-lang:ruby:1.9.0-1:*:*:*:*:*:*:* Versions 1.9.0-1 Vulnerable ·ruby
- cpe:2.3:a:ruby-lang:ruby:1.9.0-2:*:*:*:*:*:*:* Versions 1.9.0-2 Vulnerable ·ruby
- cpe:2.3:a:ruby-lang:ruby:1.9.0-20060415:*:*:*:*:*:*:* Versions 1.9.0-20060415 Vulnerable ·ruby
- cpe:2.3:a:ruby-lang:ruby:1.9.0-20070709:*:*:*:*:*:*:* Versions 1.9.0-20070709 Vulnerable ·ruby
- cpe:2.3:a:ruby-lang:ruby:1.9.1:-p0:*:*:*:*:*:* Versions 1.9.1 -p0 Vulnerable ·ruby
- cpe:2.3:a:ruby-lang:ruby:1.9.1:-p129:*:*:*:*:*:* Versions 1.9.1 -p129 Vulnerable ·ruby
- cpe:2.3:a:ruby-lang:ruby:1.9.1:-p243:*:*:*:*:*:* Versions 1.9.1 -p243 Vulnerable ·ruby
- cpe:2.3:a:ruby-lang:ruby:1.9.1:-p376:*:*:*:*:*:* Versions 1.9.1 -p376 Vulnerable ·ruby
- cpe:2.3:a:ruby-lang:ruby:1.9.1:-p429:*:*:*:*:*:* Versions 1.9.1 -p429 Vulnerable ·ruby
Show 5 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:ruby-lang:ruby:1.9.1:-preview_1:*:*:*:*:*:* | 1.9.1 -preview_1 | Vulnerable | ruby |
| cpe:2.3:a:ruby-lang:ruby:1.9.1:-preview_2:*:*:*:*:*:* | 1.9.1 -preview_2 | Vulnerable | ruby |
| cpe:2.3:a:ruby-lang:ruby:1.9.1:-rc1:*:*:*:*:*:* | 1.9.1 -rc1 | Vulnerable | ruby |
| cpe:2.3:a:ruby-lang:ruby:1.9.1:-rc2:*:*:*:*:*:* | 1.9.1 -rc2 | Vulnerable | ruby |
| cpe:2.3:o:microsoft:windows:*:*:*:*:*:*:*:* | all versions | Running on | Microsoft |
- cpe:2.3:a:ruby-lang:ruby:1.9.1:-preview_1:*:*:*:*:*:* Versions 1.9.1 -preview_1 Vulnerable ·ruby
- cpe:2.3:a:ruby-lang:ruby:1.9.1:-preview_2:*:*:*:*:*:* Versions 1.9.1 -preview_2 Vulnerable ·ruby
- cpe:2.3:a:ruby-lang:ruby:1.9.1:-rc1:*:*:*:*:*:* Versions 1.9.1 -rc1 Vulnerable ·ruby
- cpe:2.3:a:ruby-lang:ruby:1.9.1:-rc2:*:*:*:*:*:* Versions 1.9.1 -rc2 Vulnerable ·ruby
- cpe:2.3:o:microsoft:windows:*:*:*:*:*:*:*:* Versions all versions Running on ·Microsoft
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2010-2489
- 2026-10-03 Alias added: GHSA-pj28-mx3m-9668
References
Other 6
- 66040
- [oss-security] 20100702 Re: CVE Request [Microsoft Windows Ruby-v1.9.x] -- Buffer over-run leading to ACE
- [oss-security] 20100702 CVE Request [Microsoft Windows Ruby-v1.9.x] -- Buffer over-run leading to ACE
- http://svn.ruby-lang.org/repos/ruby/tags/v1_9_1_429/ChangeLog
- [ruby-talk] 20100702 Re: [ANN][Security] Ruby 1.9.1-p429 is out
- http://svn.ruby-lang.org/repos/ruby/tags/v1_9_2_rc1/ChangeLog
More Ruby vulnerabilities
- TI-2026-71508 Integer overflow in GitLab allows code execution on the server KEVCVSS 3.1CRITICAL 10.0
- TI-2017-12709 Ruby before 2.4.3 allows Net::FTP command injection. CVSS 3.0HIGH 8.8
- TI-2008-03501 Algorithmic complexity vulnerability in the WEBrick::HTTPUtils.split_header_value… CVSS 2.0HIGH 7.8
- TI-2021-09891 In Ruby through 3.0 on Windows, a remote attacker can submit a crafted path when a Web… CVSS 3.1HIGH 7.5
- TI-2013-03637 Heap-based buffer overflow in Ruby 1.8, 1.9 before 1.9.3-p484, 2.0 before 2.0.0-p353, 2.1… CVSS 2.0MEDIUM 6.8
- TI-2018-11751 An issue was discovered in the OpenSSL library in Ruby before 2.3.8, 2.4.x before 2.4.5… CVSS 3.0CRITICAL 9.8
Sources
- CVE-2010-2489 · CVE Program
- CVE-2010-2489 · NVD
- FIRST EPSS
- GHSA-pj28-mx3m-9668 · GitHub Advisory Database · CC BY 4.0
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