Description
Denial of Service via incomplete cleanup vulnerability in Apache Tomcat. It was possible for WebSocket clients to keep WebSocket connections open leading to increased resource consumption.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. 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.
References (6)
Scores
CVSS v3
6.3
EPSS
0.0132
EPSS Percentile
80.0%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-459
Status
published
Products (7)
apache/tomcat
11.0.0 milestone1 (16 CPE variants)
apache/tomcat
8.5.0 - 8.5.99
debian/debian_linux
10.0
fedoraproject/fedora
39
fedoraproject/fedora
40
org.apache.tomcat/tomcat-websocket
11.0.0-M1 - 11.0.0-M17Maven
org.apache.tomcat.embed/tomcat-embed-websocket
11.0.0-M1 - 11.0.0-M17Maven
Published
Mar 13, 2024
Tracked Since
Feb 18, 2026