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CVE-2024-24549

Apache Tomcat Denial of Service due to improper input validation vulnerability for HTTP/2 requests

Description

Denial of Service due to improper input validation vulnerability for HTTP/2 requests in Apache Tomcat. When processing an HTTP/2 request, if the request exceeded any of the configured limits for headers, the associated HTTP/2 stream was not reset until after all of the headers had been processed.This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.0-M16, from 10.1.0-M1 through 10.1.18, from 9.0.0-M1 through 9.0.85, from 8.5.0 through 8.5.98.

Users are recommended to upgrade to version 11.0.0-M17, 10.1.19, 9.0.86 or 8.5.99 which fix the issue.

Patch Available

Fix available through Seal Security. No upgrade required, protect your application instantly.

Fix without upgrading
Vulnerability Details
Score
Score Vector
Affected Versions
Severity
Ecosystem
Java
Publish Date
March 13, 2024
Modified Date
October 29, 2025