Improper Cleanup on Thrown Exception Affecting org.apache.tomcat.embed:tomcat-embed-core package, versions [9.0.76,9.0.104)[10.1.10,10.1.40)[11.0.0-M2,11.0.6)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published30 Apr 2025
- disclosed28 Apr 2025
- creditUnknown
Introduced: 28 Apr 2025
NewCVE-2025-31650 (opens in a new tab)How to fix?
Upgrade org.apache.tomcat.embed:tomcat-embed-core to version 9.0.104, 10.1.40, 11.0.6 or higher.
Overview
org.apache.tomcat.embed:tomcat-embed-core is a Core Tomcat implementation.
Affected versions of this package are vulnerable to Improper Cleanup on Thrown Exception when handling failed HTTP/2 requests with certain invalid HTTP priority headers. An attacker can trigger an OutOfMemoryException by sending a large number of malicious requests.
Note: The project maintainers note that version 9.0.103 also fixes the vulnerability but was never officially released.