#VU124821 Input validation error in jackson-core

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Main Vulnerability Database Vulnerabilities #VU124821

#VU124821 Input validation error in jackson-core

Published: April 2, 2026


Vulnerability identifier: #VU124821
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/U:Green
CVE-ID: N/A
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: Public exploit is available
Vulnerable software:
jackson-core
Software vendor:
FasterXML

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input in StreamReadConstraints.maxDocumentLength. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.


Remediation

Install updates from vendor's website.

External links