SB2025100909 - IBM ApplinX update for Apache Tomcat
Published: October 9, 2025
Security Bulletin ID
SB2025100909
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) Resource exhaustion (CVE-ID: CVE-2025-48989)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to application does not properly control consumption of internal resources when handling HTTP/2 requests. A remote attacker can send specially crafted HTTP request to the web server and consume all available memory resources, leading to a denial of service.
Note, this vulnerability is known as HTTP/2 Made You Reset Attack.
Remediation
Install update from vendor's website.