SB2025120817 - Denial of service in Undertow
Published: December 8, 2025
Security Bulletin ID
SB2025120817
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-2024-3884)
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 within the FormEncodedDataDefinition.doParse(StreamSourceChannel) method. A remote attacker can send a large form data encoding with application/x-www-form-urlencoded to trigger resource exhaustion and perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.