CVE-2014-6438

high
Published 2017-09-06 · Modified 2026-05-13
CVSS v3
7.5
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v2
5.0
VIR risk
7.5

Description

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.

Predictions

Exploit likelihood
83%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: cve@mitre.org — https://www.ruby-lang.org/en/news/2014/08/19/ruby-1-9-2-p330-released/

Application impact

VendorProductVersionsFixed
ruby-langruby{"endIncluding":"1.9.2"}

References

CWEs

CWE-399

Verify integrity in audit chain (admin only). AS-IS.