SB2026010638 - IBM webMethods Integration update for GzipSource
Published: January 6, 2026
Security Bulletin ID
SB2026010638
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) Incorrect Conversion between Numeric Types (CVE-ID: CVE-2023-3635)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to GzipSource does not handle an exception that might be raised when parsing a malformed gzip buffer. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.