Jansson 2.7 and earlier allows context-dependent attackers to cause a denial of service (deep recursion, stack consumption, and crash) via crafted JSON data.
Product
debian/jansson vulnerabilities
4 published CVES affecting debian/jansson, from public sources (CVE.org, NVD, CISA KEV, FIRST EPSS, OSV).
- Total
- 4
- Critical
- 0
- High
- 1
- Medium
- 1
- Low
- 0
- Unscored
- 2
- CISA KEV
- 0
Latest debian/jansson CVEs
Newest publication first
-
HighCVSS 7.5 EPSS 1.9%
-
DSA-3577-1 jansson - security update
PublishedUnknown -
DLA-471-1 jansson - security update
PublishedUnknown -
MediumCVSS 5.0 EPSS 2.0%
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.
Sources: CVE.org, NVD, CISA KEV, FIRST EPSS, OSV and public exploit-reference metadata. Product matching comes from the published CVE records. A proof-of-concept means public code exists; it is not evidence of exploitation.