CVE-2024-24549
Denial of Service due to improper input validation vulnerability for HTTP/2 requests in Apache Tomcat.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 23.1%, higher than 98% of all known CVEs. Patch or mitigate before the next change window.
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.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 23.07% probability · 98th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- apache/tomcat · debian/debian linux · fedoraproject/fedora
- Source
- security@apache.org
EPSS 23.1% since 3 November 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
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
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.