01 Record

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

UnratedPUBLISHEDCNA: mitre

CNA base scoreUnratedNo CNA CVSS vector

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02 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

03 Exploitation and scoring

Exploitation: Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision: Not assessed by CISA
EPSS probability: 4.12% probability of exploitation activity in the next 30 days.
EPSS percentile: Equal to or higher than the score of 90.3% of scored records. A rank, not a probability.
NVD base score: 7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD analysis status: Modified. NVD last modified this record on 2026-06-17.
Red Hat severity: Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published

2017-09-06 21:00Z9 YR AGO

Last updated

2024-08-06 12:17Z2 YR AGO

Reserved

2014-09-16

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

CWE-399
CWE-20Improper Input ValidationClass

Data version

5.1

Document digest

bc331b49dab5dfa6ad13005e48ea1a4d3072481fc1ce62fe4a8cc8e66886c49e

05 Affected products

VendorProductVersionsPlatforms

redhatcloudforms_managementengineNot specified—

redhatenterprise_linuxNot specified—

redhathummingbirdNot specified—

redhatrhel_software_collectionsNot specified—

rhel_sam1Not specified—

ruby-langrubyNot specified—

06 References

www.securitytracker.com1032874http://www.securitytracker.com/id/1032874vdb-entryx_refsource_SECTRACK
www.ruby-lang.orghttps://www.ruby-lang.org/en/news/2014/08/19/ruby-1-9-2-p330-released/x_refsource_CONFIRM
github.comhttps://github.com/ruby/www.ruby-lang.org/issues/817x_refsource_CONFIRM
www.openwall.com[oss-security] 20150713 Re: Retroactive CVE request for Ruby 1.9.2-p330http://www.openwall.com/lists/oss-security/2015/07/13/6mailing-listx_refsource_MLIST