In the Ox gem 2.8.1 for Ruby, the process crashes with a stack-based buffer over-read in…
Priority LOW 27CWE-125Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA and GitHub. Impact type from CWE-125 and the CVSS impact.
Summary
In the Ox gem 2.8.1 for Ruby, the process crashes with a stack-based buffer over-read in the read_from_str function in sax_buf.c when a crafted input is supplied to sax_parse.
Why it matters now
EPSS 0.00965 61st percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed ox (RubyGems): 2.8.2
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 |
| — | ox (RubyGems) | before 2.8.2 | 2.8.2 | Patch available | GHSA-wfwm-chj7-w59r |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- ox (RubyGems) Vendor— Affected before 2.8.2 Fixed in 2.8.2 Patch available GHSA-wfwm-chj7-w59r
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:ox_project:ox:2.8.1:*:*:*:*:ruby:*:* | 2.8.1 | Vulnerable | Ox Project |
- cpe:2.3:a:ox_project:ox:2.8.1:*:*:*:*:ruby:*:* Versions 2.8.1 Vulnerable ·Ox Project
Remediation
- Fix · GHSA-wfwm-chj7-w59r ox (RubyGems) Fixed in 2.8.2 Advisory →
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2017-16229
- 2026-10-03 Alias added: GHSA-wfwm-chj7-w59r
References
More Ox Project Ox vulnerabilities
- TI-2017-11660 In the Ox gem 2.8.0 for Ruby, the process crashes with a segmentation fault when a… CVSS 3.0HIGH 7.5
Sources
- CVE-2017-16229 · CVE Program
- CVE-2017-16229 · NVD
- FIRST EPSS
- GHSA-wfwm-chj7-w59r · GitHub Advisory Database · CC BY 4.0
- CVE-2017-16229 · Red Hat security data · CC BY 4.0
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