CVE-2024-23672

MEDIUM6.3EPSS 1.4%

Apache Tomcat: WebSocket DoS with incomplete closing handshake

Published: 3/13/2024Modified: 4/28/2026

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.

Affected packages (6)

Bitnami/tomcat>= 8.5.0, < 8.5.99, >= 9.0.0, < 9.0.86, >= 10.0.0, < 10.1.19
Debian/tomcat10from 0, < 10.1.6-1+deb12u2
Debian/tomcat9from 0, < 9.0.43-2~deb11u10
Debian/tomcat9from 0, < 9.0.31-1~deb10u12
Maven/org.apache.tomcat.embed:tomcat-embed-websocket>= 11.0.0-M1, < 11.0.0-M17
Maven/org.apache.tomcat:tomcat-websocket>= 11.0.0-M1, < 11.0.0-M17

CVSS scores

Source	Version	Severity	Vector
osv	CVSS 3.1	MEDIUM6.3	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Description

Affected packages (6)

CVSS scores

References (16)