Incomplete Cleanup Affecting tomcat-lib package, versions <1:9.0.87-3.el9_6.1


Severity

Recommended
0.0
high
0
10

Based on AlmaLinux security rating.

Threat Intelligence

Exploit Maturity
Proof of Concept
EPSS
1% (77th percentile)

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  • Snyk IDSNYK-ALMALINUX9-TOMCATLIB-10774043
  • published18 Jul 2025
  • disclosed16 Jul 2025

Introduced: 16 Jul 2025

NewCVE-2025-31650  (opens in a new tab)
CWE-459  (opens in a new tab)

How to fix?

Upgrade AlmaLinux:9 tomcat-lib to version 1:9.0.87-3.el9_6.1 or higher.
This issue was patched in ALSA-2025:11335.

NVD Description

Note: Versions mentioned in the description apply only to the upstream tomcat-lib package and not the tomcat-lib package as distributed by AlmaLinux. See How to fix? for AlmaLinux:9 relevant fixed versions and status.

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.

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

CVSS Base Scores

version 3.1