Vulnerability in Ruby-Lang Ruby

CVE-2014-6438

The URI.decode_www_form_component method in Ruby before 1.9.2-p330 allows remote attackers to cause a denial of service (catastrophic regular expression backtracking, resource consumption, or application crash) via a crafted string.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.041 (90.5th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 90th percentile — 90.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2014-6438: held from 0.041 to 0.041.

EPSS over last 30 days · oldest: 0.041 · newest: 0.041 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2014-6438?
CVE-2014-6438 is a high-severity vulnerability in Ruby-Lang Ruby, classified under CWE-399. CVSS score: 7.5/10. Published 2017-09-06.
How severe is CVE-2014-6438?
High severity. CVSS v3 base score is 7.5 out of 10.