Excessive Platform Resource Consumption within a Loop Affecting tomcat11-servlet-6.1-api package, versions <0:11.0.26-0.1.hum1


Severity

Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.53% (43rd percentile)

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  • Snyk IDSNYK-RHEL10-TOMCAT11SERVLET61API-20234482
  • published29 Sept 2026
  • disclosed23 Sept 2026

Introduced: 23 Sep 2026

NewCVE-2026-77791  (opens in a new tab)
CWE-1050  (opens in a new tab)

How to fix?

Upgrade RHEL:10 tomcat11-servlet-6.1-api to version 0:11.0.26-0.1.hum1 or higher.
This issue was patched in RHSA-2026:68258.

NVD Description

Note: Versions mentioned in the description apply only to the upstream tomcat11-servlet-6.1-api package and not the tomcat11-servlet-6.1-api package as distributed by RHEL. See How to fix? for RHEL:10 relevant fixed versions and status.

Uncontrolled Resource Consumption vulnerability in Apache Tomcat during sending of WebSocket close message enabled a DoS attack.

This issue affects Apache Tomcat: from 11.0.0-M5 through 11.0.25, from 10.1.8 through 10.1.59, from 9.0.74 through 9.0.121.

The following versions were EOL at the time the CVE was created but are known to be affected: from 8.5.88 through 8.5.100. Other unsupported versions may also be affected.

Users are recommended to upgrade to version 11.0.26, 10.1.60 or 9.0.122, which fix the issue.

CVSS Base Scores

version 3.1