VIR Vulnerability Intelligence Relay

CVE-2013-6401

medium
Published 2014-03-21 · Modified 2026-05-06
💬 Discuss on Community ✚ Propose mitigation
CVSS v3
—
CVSS v4 NEW
—
not yet in upstream
VIR risk
5.0

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.

Predictions

Exploit likelihood
20%
Patch ETA
—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

OS impact
OSVersionStatusFixed in
debian debianbookwormfixed2.6-1
debian debianbullseyefixed2.6-1
debian debianforkyfixed2.6-1
debian debiansidfixed2.6-1
debian debiantrixiefixed2.6-1

Application impact
VendorProductVersionsFixed
jansson_projectjansson{"endIncluding":"2.4"}
jansson_projectjansson2.0
jansson_projectjansson2.0.1
jansson_projectjansson2.1
jansson_projectjansson2.2
jansson_projectjansson2.2.1
jansson_projectjansson2.3
jansson_projectjansson2.3.1

References

CWEs

CWE-310

Community-verified mitigations for this CVE will appear above when contributors publish them.

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