SB2026011344 - IBM Rational Performance Tester update for MIME4J library
Published: January 13, 2026
Security Bulletin ID
SB2026011344
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Input validation error (CVE-ID: CVE-2024-21742)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to manipulate MIME headers.
The vulnerability exists due to insufficient validation of user-supplied input when using MIME4J DOM for composing message. A remote attacker can manipulate headers inside a MIME message.
Remediation
Install update from vendor's website.