7.5

CVE-2025-31650

Improper Input Validation vulnerability in Apache Tomcat. Incorrect error handling for some invalid HTTP priority headers resulted in incomplete clean-up of the failed request which created a memory leak. A large number of such requests could trigger an OutOfMemoryException resulting in a denial of service.

This issue affects Apache Tomcat: from 9.0.76 through 9.0.102, from 10.1.10 through 10.1.39, from 11.0.0-M2 through 11.0.5.
The following versions were EOL at the time the CVE was created but are 
known to be affected: 8.5.90 though 8.5.100.


Users are recommended to upgrade to version 9.0.104, 10.1.40 or 11.0.6 which fix the issue.

Verknüpft mit AI von unstrukturierten Daten zu bestehenden CPE der NVD
This information is available to logged-in users.
Data is provided by the National Vulnerability Database (NVD)
Apache ≫ Tomcat Version >= 9.0.76 < 9.0.104
Apache ≫ Tomcat Version >= 10.1.10 < 10.1.40
Apache ≫ Tomcat Version >= 11.0.1 < 11.0.6
Apache ≫ Tomcat Version11.0.0 Updatemilestone10
Apache ≫ Tomcat Version11.0.0 Updatemilestone11
Apache ≫ Tomcat Version11.0.0 Updatemilestone12
Apache ≫ Tomcat Version11.0.0 Updatemilestone13
Apache ≫ Tomcat Version11.0.0 Updatemilestone14
Apache ≫ Tomcat Version11.0.0 Updatemilestone15
Apache ≫ Tomcat Version11.0.0 Updatemilestone16
Apache ≫ Tomcat Version11.0.0 Updatemilestone17
Apache ≫ Tomcat Version11.0.0 Updatemilestone18
Apache ≫ Tomcat Version11.0.0 Updatemilestone19
Apache ≫ Tomcat Version11.0.0 Updatemilestone2
Apache ≫ Tomcat Version11.0.0 Updatemilestone20
Apache ≫ Tomcat Version11.0.0 Updatemilestone21
Apache ≫ Tomcat Version11.0.0 Updatemilestone22
Apache ≫ Tomcat Version11.0.0 Updatemilestone23
Apache ≫ Tomcat Version11.0.0 Updatemilestone24
Apache ≫ Tomcat Version11.0.0 Updatemilestone25
Apache ≫ Tomcat Version11.0.0 Updatemilestone3
Apache ≫ Tomcat Version11.0.0 Updatemilestone4
Apache ≫ Tomcat Version11.0.0 Updatemilestone5
Apache ≫ Tomcat Version11.0.0 Updatemilestone6
Apache ≫ Tomcat Version11.0.0 Updatemilestone7
Apache ≫ Tomcat Version11.0.0 Updatemilestone8
Apache ≫ Tomcat Version11.0.0 Updatemilestone9
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Type Source Score Percentile
EPSS FIRST.org 4.54% 0.887
CVSS Metriken
Source Base Score Exploit Score Impact Score Vector string
nvd@nist.gov 7.5 3.9 3.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
134c704f-9b21-4f2e-91b3-4a467353bcc0 7.5 3.9 3.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-459 Incomplete Cleanup

The product does not properly "clean up" and remove temporary or supporting resources after they have been used.