CVE-2024-24549

Name: CVE-2024-24549
Creator: NVD / NIST
Published: 2024-03-13T16:15:29.373+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 23.07%

Last modified Jun 17, 2026

CVE-2024-24549 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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. Other, older, EOL versions may also be affected. 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.. EPSS estimates a 23.07% chance of exploitation in the next 30 days.

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. Other, older, EOL versions may also be affected. 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.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

23.07%

97.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-20

Affected Software

Vendor	Product	Versions	Update
Apache	Tomcat	>= 8.5.0, < 8.5.99	—
Apache	Tomcat	>= 9.0.0, < 9.0.86	—
Apache	Tomcat	>= 10.1.0, < 10.1.19	—
Apache	Tomcat	11.0.0	Milestone1
Debian	Debian Linux	10.0	—
Fedoraproject	Fedora	39	—
Fedoraproject	Fedora	40	—

References

https://lists.apache.org/thread/4c50rmomhbbsdgfjsgwlb51xdwfjdcvgVendor Advisory
http://www.openwall.com/lists/oss-security/2024/03/13/3Mailing List
https://lists.apache.org/thread/4c50rmomhbbsdgfjsgwlb51xdwfjdcvgVendor Advisory
https://lists.debian.org/debian-lts-announce/2024/04/msg00001.htmlMailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3UWIS5MMGYDZBLJYT674ZI5AWFHDZ46B/Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/736G4GPZWS2DSQO5WKXO3G6OMZKFEK55/Third Party Advisory
https://security.netapp.com/advisory/ntap-20240402-0002/Third Party Advisory

Timeline

Published: Mar 13, 2024
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2024-24549?

How severe is CVE-2024-24549?

CVE-2024-24549 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 23.07% probability of exploitation in the next 30 days.

How do I fix CVE-2024-24549?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2024-24549?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST