CVE-2013-6401
mediumpriority · track · 21EPSS 0.020 · 81 %ileDEEUUSEPSS · scored 2026-10-27
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (15)
Products and version ranges known to be affected.
advisories (1)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2025-2843IBM DataPower Gateway (Jansson): Schwachstelle ermöglicht Denial of ServiceDeutsch2025-12-14csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann eine Schwachstelle in IBM DataPower Gateway ausnutzen, um einen Denial of Service Angriff durchzuführen.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (15)
External citations — patches, advisories, analysis.
- http://comments.gmane.org/gmane.comp.security.oss.general/12099cnnvd
- http://lists.opensuse.org/opensuse-updates/2014-03/msg00057.htmlcnnvd
- http://secunia.com/advisories/56777cnnvd
- http://secunia.com/advisories/57497cnnvd
- http://www.digip.org/jansson/Patchcnnvd
- https://bugzilla.redhat.com/show_bug.cgi?id=1035538cnnvd
- https://github.com/akheron/jansson/commit/8f80c2d83808150724d31793e6ade92749b1faa4cnnvd
- http://comments.gmane.org/gmane.comp.security.oss.general/12099enisa_euvd
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