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CVE-2017-16229

19
FAUCET Score

CVE-2017-16229 describes a stack-based buffer over-read vulnerability in the Ox gem 2.8.1 for Ruby, specifically within the read_from_str function when processing crafted input via sax_parse. This flaw can lead to a denial of service (crash) on affected systems. With a CVSS score of 5.5 (Medium), it requires local access and user interaction (UI:R) to exploit, but has a high impact on availability (A:H). There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
2.8.1CPE matchmatch criteria
cpe:2.3:a:ox_project:ox:2.8.1:*:*:*:*:ruby:*:*

CVSS Data

CVSS version used by this source: 3.0

5.5MEDIUM

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.97%
Probability of exploitation in next 30 days
EPSS Percentile
58.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0097 is in the 69th percentile among its peer group of 5,758 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

rubygemspatch availablevia ghsa
Product: oxFixed in: 2.8.2

Vendor Advisories (1)

rubygemsGHSA-wfwm-chj7-w59rmedium

Ox gem stack overflow in sax_parse

Mar 5, 2018

References

github.com / ohler55/ox/issues/195
ExploitThird Party Advisory
rubygems.org / gems/ox/versions/2.8.1
Third Party Advisory