Is CVE-2016-4425 in the CISA KEV catalog?

No. CVE-2016-4425 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2016-4425?

CVE-2016-4425 has a CVSS v3 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2016-4425?

CVE-2016-4425 has an EPSS score of 1.89% (77th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2016-4425?

Upgrade jansson on debian 11 to 2.7-5 or later.

CVE & CISA-KEV Catalog

CVE-2016-4425

MEDIUMEPSS 77th pctl

6.5

CVSS v3

NVD

Description

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.

CWE-20Improper Input Validation CWE-674

How to fix

Remediation Available

janssonDebian

Fixed in:2.7-5CVE-2016-4425

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Exploit Intelligence

1.89%probability of exploitation in 30 days

77thpercentile

Elevated risk: more likely to be exploited than 77% of all known CVEs.

References

Patch2

Other references5

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-06.