CVE-2024-24549

Apache Tomcat: HTTP/2 header handling DoS

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.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
EPSS 52.45% Top 5%
Vendor Advisory apache.org
Affected: Apache Software Foundation Apache Tomcat
Published at:
Updated at:

References

Link Tags
https://lists.apache.org/thread/4c50rmomhbbsdgfjsgwlb51xdwfjdcvg vendor advisory
https://security.netapp.com/advisory/ntap-20240402-0002/ third party advisory
https://lists.debian.org/debian-lts-announce/2024/04/msg00001.html third party advisory mailing list
http://www.openwall.com/lists/oss-security/2024/03/13/3 mailing list
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/736G4GPZWS2DSQO5WKXO3G6OMZKFEK55/ third party advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3UWIS5MMGYDZBLJYT674ZI5AWFHDZ46B/ third party advisory

Frequently Asked Questions

What is the severity of CVE-2024-24549?
CVE-2024-24549 has been scored as a high severity vulnerability.
How to fix CVE-2024-24549?
To fix CVE-2024-24549, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2024-24549 being actively exploited in the wild?
It is possible that CVE-2024-24549 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~52% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2024-24549?
CVE-2024-24549 affects Apache Software Foundation Apache Tomcat.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.