CVE-2013-6401

MITRE NVD CVE.ORG JSON API Print: PDF PDF

Summary

CVECVE-2013-6401
StatePUBLISHED
Assignerredhat
Source PriorityCVE Program / NVD first with legacy fallback
Published2014-03-21 01:04:00 UTC
Updated2026-05-06 22:30:45 UTC
DescriptionJansson, possibly 2.4 and earlier, does not restrict the ability to trigger hash collisions predictably, which allows context-dependent attackers to cause a denial of service (CPU consumption) via a crafted JSON document.

Risk And Classification

Primary CVSS: v2.0 5 from [email protected]

AV:N/AC:L/Au:N/C:N/I:N/A:P

Problem Types: CWE-310 | n/a

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial

AV:N/AC:L/Au:N/C:N/I:N/A:P

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Jansson Project Jansson 2.0 All All All
Application Jansson Project Jansson 2.0.1 All All All
Application Jansson Project Jansson 2.1 All All All
Application Jansson Project Jansson 2.2 All All All
Application Jansson Project Jansson 2.2.1 All All All
Application Jansson Project Jansson 2.3 All All All
Application Jansson Project Jansson 2.3.1 All All All
Application Jansson Project Jansson All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
1035538 – (CVE-2013-6401) CVE-2013-6401 jansson: hash table collisions CPU usage DoS af854a3a-2127-422b-91ae-364da2661108 bugzilla.redhat.com
comments.gmane.org | 522: Connection timed out af854a3a-2127-422b-91ae-364da2661108 comments.gmane.org
CVE-2013-6401: Change hash function, randomize hashes · akheron/jansson@8f80c2d · GitHub af854a3a-2127-422b-91ae-364da2661108 github.com
openSUSE-SU-2014:0394-1: moderate: libjansson: fixed denial of service p af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

© CVE.report 2026

Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.

CVE, CWE, and OVAL are registred trademarks of The MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. This site includes MITRE data granted under the following license.

Free CVE JSON API cve.report/api

CVE.report and Source URL Uptime Status status.cve.report