CVE-2013-6401
CVE-2013-6401 is a medium-severity vulnerability in Jansson Project Jansson with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-310.
Key facts
- Severity: Medium (CVSS 2.0 base score 5.0)
- EPSS exploit prediction: 2% (78th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-310
- Affected product: Jansson Project Jansson
- Published:
- Last modified:
Description
Jansson, 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.
Frequently asked questions
- What is CVE-2013-6401?
- Jansson, 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.
- How severe is CVE-2013-6401?
- CVE-2013-6401 has a CVSS 2.0 base score of 5.0, rated medium severity.
- Is CVE-2013-6401 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2013-6401?
- CVE-2013-6401 primarily affects Jansson Project Jansson. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2013-6401?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2013-6401 published?
- CVE-2013-6401 was published on 2014-03-21 and last updated on 2026-06-17.
References
- http://comments.gmane.org/gmane.comp.security.oss.general/12099
- http://lists.opensuse.org/opensuse-updates/2014-03/msg00057.html
- https://bugzilla.redhat.com/show_bug.cgi?id=1035538
- https://github.com/akheron/jansson/commit/8f80c2d83808150724d31793e6ade92749b1faa4
Affected products (8)
- cpe:2.3:a:jansson_project:jansson:*:*:*:*:*:*:*:*
- cpe:2.3:a:jansson_project:jansson:2.0:*:*:*:*:*:*:*
- cpe:2.3:a:jansson_project:jansson:2.0.1:*:*:*:*:*:*:*
- cpe:2.3:a:jansson_project:jansson:2.1:*:*:*:*:*:*:*
- cpe:2.3:a:jansson_project:jansson:2.2:*:*:*:*:*:*:*
- cpe:2.3:a:jansson_project:jansson:2.2.1:*:*:*:*:*:*:*
- cpe:2.3:a:jansson_project:jansson:2.3:*:*:*:*:*:*:*
- cpe:2.3:a:jansson_project:jansson:2.3.1:*:*:*:*:*:*:*
More vulnerabilities in Jansson Project Jansson
- CVE-2020-36325 — High (CVSS 7.5): An issue was discovered in Jansson through 2.13.1. Due to a parsing error in json_loads, there's an out-of-bounds…
- CVE-2016-4425 — Medium (CVSS 6.5): Jansson 2.7 and earlier allows context-dependent attackers to cause a denial of service (deep recursion, stack…
All CVEs affecting Jansson Project Jansson →
Other CWE-310 (Cryptographic Issues) vulnerabilities
- CVE-2014-7878 — Critical (CVSS 10.0): The Application Lifecycle Service (ALS) in HP Helion Cloud Development Platform 1.0, when a virtual machine is derived…
- CVE-2013-3712 — Critical (CVSS 10.0): SUSE Studio Onsite 1.3.x before 1.3.6 and SUSE Studio Extension for System z 1.3 uses "static" secret tokens, which has…
- CVE-2013-6952 — Critical (CVSS 10.0): The Belkin WeMo Home Automation firmware before 3949 has a hardcoded GPG key, which makes it easier for remote…
- CVE-2013-6838 — Critical (CVSS 10.0): An unspecified Enghouse Interactive Professional Services "addon product" in Enghouse Interactive IVR Pro (VIP2000)…
- CVE-2013-0137 — Critical (CVSS 10.0): The default configuration of the Digital Alert Systems DASDEC EAS device before 2.0-2 and the Monroe Electronics R189…
- CVE-2011-5123 — Critical (CVSS 10.0): The Antivirus component in Comodo Internet Security before 5.3.175888.1227 does not check whether X.509 certificates in…