SB2025121519 - IBM DataPower Gateway update for Jansson
Published: December 15, 2025
Security Bulletin ID
SB2025121519
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Cryptographic issues (CVE-ID: CVE-2013-6401)
The vulnerability allows a remote non-authenticated attacker to perform service disruption.
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.
Remediation
Install update from vendor's website.