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OpenAdvisories
Medium · 6.3 CVE-2024-23672 BIT-tomcat-2024-23672EUVD-2024-1010GHSA-v682-8vv8-vpwr

Apache Tomcat: WebSocket DoS with incomplete closing handshake

Published Mar 13, 2024 · Updated Oct 29, 2025 · Assigned by apache

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 products

VendorProductAffectedFixed
Apache Software Foundation Apache Tomcat 11.0.0-M1 – ≤ 11.0.0-M16, 10.1.0-M1 – ≤ 10.1.18, 9.0.0-M1 – ≤ 9.0.85, 8.5.0 – ≤ 8.5.98 —

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

ReleasePackageFixed inAdvisory
Debian 14 tomcat10 10.1.20-1 —
Debian 14 tomcat9 9.0.70-2 —
Debian 13 tomcat10 10.1.20-1 —
Debian 13 tomcat9 9.0.70-2 —
Debian 12 tomcat10 10.1.6-1+deb12u2 DSA-5665-1
Debian 12 tomcat9 9.0.70-2 —
Debian 11 tomcat9 9.0.43-2~deb11u10 DSA-5667-1
Debian 10 tomcat9 9.0.31-1~deb10u12 DLA-3779-1
ReleasePackageFixed inAdvisory
Ubuntu 25.10 tomcat9 9.0.70-2ubuntu3 —
Ubuntu 20.04 LTS tomcat9 9.0.31-1ubuntu0.8 USN-7106-1
Show 6 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
Ubuntu Pro 24.04 LTS tomcat10 10.1.16-1ubuntu0.1~esm2 USN-7562-1
Ubuntu Pro 24.04 LTS tomcat9 9.0.70-2ubuntu0.1+esm2 USN-7562-1
Ubuntu Pro 22.04 LTS tomcat9 9.0.58-1ubuntu0.1+esm4 USN-7562-1, USN-7106-1
Ubuntu Pro 20.04 LTS tomcat9 9.0.31-1ubuntu0.9+esm2 USN-7562-1
Ubuntu Pro 18.04 LTS tomcat8 8.5.39-1ubuntu1~18.04.3+esm5 USN-7562-1
Ubuntu Pro 18.04 LTS tomcat9 9.0.16-3ubuntu0.18.04.2+esm4 USN-7562-1, USN-7106-1
Ubuntu Pro 16.04 LTS tomcat7 +1 No fix yet —
Ubuntu Pro 14.04 LTS tomcat7 No fix yet —
ReleasePackageFixed inAdvisory
RHEL 10 tomcat +7 1:10.1.36-1.el10_0 RHSA-2025:7497
RHEL 9 tomcat +7 1:9.0.87-1.el9_4.1 RHSA-2024:3307
RHEL 8 tomcat +7 1:9.0.87-1.el8_10.1 RHSA-2024:3666
Show 4 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
RHEL 9.2 EUS tomcat +7 1:9.0.87-1.el9_2.1 RHSA-2024:3308
RHEL 8.8 EUS tomcat +7 1:9.0.87-1.el8_8.2 RHSA-2024:3814
Red Hat JBoss Web Server 6 jws6-tomcat +9 10.1.8-7.redhat_00014.1.el8jws RHSA-2024:1916
Red Hat JBoss Web Server 5 jws5-tomcat +11 9.0.87-3.redhat_00003.1.el7jws RHSA-2024:1913

AlmaLinux

Errata ↗
ReleasePackageFixed inAdvisory
AlmaLinux 9 tomcat +7 1:9.0.87-1.el9_4.1 ALSA-2024:3307
AlmaLinux 8 tomcat +7 1:9.0.87-1.el8_10.1.alma.1 ALSA-2024:3666

Rocky Linux

Errata ↗
ReleasePackageFixed inAdvisory
Rocky Linux 9 tomcat 1:9.0.87-1.el9_4.1 RLSA-2024:3307
Rocky Linux 8 tomcat 1:9.0.87-1.el8_10.1 RLSA-2024:3666
ReleasePackageFixed inAdvisory
SLES 15 SP5 apache-commons-daemon 1.3.4-150200.11.14.1 SUSE-SU-2024:1345-1
SLES 15 SP5 apache-commons-dbcp 2.1.1-150200.10.8.1 SUSE-SU-2024:1345-1
SLES 15 SP5 apache-commons-pool2 2.4.2-150200.11.8.1 SUSE-SU-2024:1345-1
SLES 15 SP5 geronimo-specs 1.2-150200.15.8.1 SUSE-SU-2024:1345-1
SLES 15 SP5 jakarta-taglibs-standard 1.1.1-150000.4.10.1 SUSE-SU-2024:1345-1
SLES 15 SP5 tomcat 9.0.87-150200.65.1 SUSE-SU-2024:1345-1
SLES 15 SP5 tomcat10 10.1.20-150200.5.22.2 SUSE-SU-2024:1204-1
SLES 15 SP4 apache-commons-daemon 1.3.4-150200.11.14.1 SUSE-SU-2024:1345-1
SLES 15 SP4 apache-commons-dbcp 2.1.1-150200.10.8.1 SUSE-SU-2024:1345-1
SLES 15 SP4 apache-commons-pool2 2.4.2-150200.11.8.1 SUSE-SU-2024:1345-1
SLES 15 SP4 geronimo-specs 1.2-150200.15.8.1 SUSE-SU-2024:1345-1
SLES 15 SP4 jakarta-taglibs-standard 1.1.1-150000.4.10.1 SUSE-SU-2024:1345-1
SLES 15 SP4 tomcat 9.0.87-150200.65.1 SUSE-SU-2024:1345-1
SLES 15 SP3 apache-commons-daemon 1.3.4-150200.11.14.1 SUSE-SU-2024:1345-1
SLES 15 SP3 apache-commons-dbcp 2.1.1-150200.10.8.1 SUSE-SU-2024:1345-1
SLES 15 SP3 apache-commons-pool2 2.4.2-150200.11.8.1 SUSE-SU-2024:1345-1
SLES 15 SP3 geronimo-specs 1.2-150200.15.8.1 SUSE-SU-2024:1345-1
SLES 15 SP3 jakarta-taglibs-standard 1.1.1-150000.4.10.1 SUSE-SU-2024:1345-1
SLES 15 SP3 tomcat 9.0.87-150200.65.1 SUSE-SU-2024:1345-1
SLES 15 SP2 apache-commons-daemon 1.3.4-150200.11.14.1 SUSE-SU-2024:1345-1
SLES 15 SP2 apache-commons-dbcp 2.1.1-150200.10.8.1 SUSE-SU-2024:1345-1
SLES 15 SP2 apache-commons-pool2 2.4.2-150200.11.8.1 SUSE-SU-2024:1345-1
SLES 15 SP2 geronimo-specs 1.2-150200.15.8.1 SUSE-SU-2024:1345-1
SLES 15 SP2 jakarta-taglibs-standard 1.1.1-150000.4.10.1 SUSE-SU-2024:1345-1
SLES 15 SP2 tomcat 9.0.87-150200.65.1 SUSE-SU-2024:1345-1
SLES 12 SP5 tomcat 9.0.36-3.124.1 SUSE-SU-2026:1058-1, SUSE-SU-2024:1205-1
Show 10 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
SLES for SAP 15 SP4 apache-commons-daemon 1.3.4-150200.11.14.1 SUSE-SU-2024:1345-1
SLES for SAP 15 SP4 apache-commons-dbcp 2.1.1-150200.10.8.1 SUSE-SU-2024:1345-1
SLES for SAP 15 SP4 apache-commons-pool2 2.4.2-150200.11.8.1 SUSE-SU-2024:1345-1
SLES for SAP 15 SP4 geronimo-specs 1.2-150200.15.8.1 SUSE-SU-2024:1345-1
SLES for SAP 15 SP4 jakarta-taglibs-standard 1.1.1-150000.4.10.1 SUSE-SU-2024:1345-1
SLES for SAP 15 SP4 tomcat 9.0.87-150200.65.1 SUSE-SU-2024:1345-1
SLES for SAP 15 SP3 apache-commons-daemon 1.3.4-150200.11.14.1 SUSE-SU-2024:1345-1
SLES for SAP 15 SP3 apache-commons-dbcp 2.1.1-150200.10.8.1 SUSE-SU-2024:1345-1
SLES for SAP 15 SP3 apache-commons-pool2 2.4.2-150200.11.8.1 SUSE-SU-2024:1345-1
SLES for SAP 15 SP3 geronimo-specs 1.2-150200.15.8.1 SUSE-SU-2024:1345-1
SLES for SAP 15 SP3 jakarta-taglibs-standard 1.1.1-150000.4.10.1 SUSE-SU-2024:1345-1
SLES for SAP 15 SP3 tomcat 9.0.87-150200.65.1 SUSE-SU-2024:1345-1
SLES for SAP 15 SP2 apache-commons-daemon 1.3.4-150200.11.14.1 SUSE-SU-2024:1345-1
SLES for SAP 15 SP2 apache-commons-dbcp 2.1.1-150200.10.8.1 SUSE-SU-2024:1345-1
SLES for SAP 15 SP2 apache-commons-pool2 2.4.2-150200.11.8.1 SUSE-SU-2024:1345-1
SLES for SAP 15 SP2 geronimo-specs 1.2-150200.15.8.1 SUSE-SU-2024:1345-1
SLES for SAP 15 SP2 jakarta-taglibs-standard 1.1.1-150000.4.10.1 SUSE-SU-2024:1345-1
SLES for SAP 15 SP2 tomcat 9.0.87-150200.65.1 SUSE-SU-2024:1345-1
SLES for SAP 12 SP5 tomcat 9.0.36-3.124.1 SUSE-SU-2024:1205-1
SLE HPC 15 SP4 apache-commons-daemon 1.3.4-150200.11.14.1 SUSE-SU-2024:1345-1
SLE HPC 15 SP4 apache-commons-dbcp 2.1.1-150200.10.8.1 SUSE-SU-2024:1345-1
SLE HPC 15 SP4 apache-commons-pool2 2.4.2-150200.11.8.1 SUSE-SU-2024:1345-1
SLE HPC 15 SP4 geronimo-specs 1.2-150200.15.8.1 SUSE-SU-2024:1345-1
SLE HPC 15 SP4 jakarta-taglibs-standard 1.1.1-150000.4.10.1 SUSE-SU-2024:1345-1
SLE HPC 15 SP4 tomcat 9.0.87-150200.65.1 SUSE-SU-2024:1345-1
SLE HPC 15 SP3 apache-commons-daemon 1.3.4-150200.11.14.1 SUSE-SU-2024:1345-1
SLE HPC 15 SP3 apache-commons-dbcp 2.1.1-150200.10.8.1 SUSE-SU-2024:1345-1
SLE HPC 15 SP3 apache-commons-pool2 2.4.2-150200.11.8.1 SUSE-SU-2024:1345-1
SLE HPC 15 SP3 geronimo-specs 1.2-150200.15.8.1 SUSE-SU-2024:1345-1
SLE HPC 15 SP3 jakarta-taglibs-standard 1.1.1-150000.4.10.1 SUSE-SU-2024:1345-1
SLE HPC 15 SP3 tomcat 9.0.87-150200.65.1 SUSE-SU-2024:1345-1
SLE HPC 15 SP2 apache-commons-daemon 1.3.4-150200.11.14.1 SUSE-SU-2024:1345-1
SLE HPC 15 SP2 apache-commons-dbcp 2.1.1-150200.10.8.1 SUSE-SU-2024:1345-1
SLE HPC 15 SP2 apache-commons-pool2 2.4.2-150200.11.8.1 SUSE-SU-2024:1345-1
SLE HPC 15 SP2 geronimo-specs 1.2-150200.15.8.1 SUSE-SU-2024:1345-1
SLE HPC 15 SP2 jakarta-taglibs-standard 1.1.1-150000.4.10.1 SUSE-SU-2024:1345-1
SLE HPC 15 SP2 tomcat 9.0.87-150200.65.1 SUSE-SU-2024:1345-1
SUSE Manager Server Module 4.3 geronimo-specs 1.2-150200.15.8.1 SUSE-SU-2024:1345-1
SUSE Manager Server 4.3 apache-commons-daemon 1.3.4-150200.11.14.1 SUSE-SU-2024:1345-1
SUSE Manager Server 4.3 apache-commons-dbcp 2.1.1-150200.10.8.1 SUSE-SU-2024:1345-1
SUSE Manager Server 4.3 apache-commons-pool2 2.4.2-150200.11.8.1 SUSE-SU-2024:1345-1
SUSE Manager Server 4.3 geronimo-specs 1.2-150200.15.8.1 SUSE-SU-2024:1345-1
SUSE Manager Server 4.3 jakarta-taglibs-standard 1.1.1-150000.4.10.1 SUSE-SU-2024:1345-1
SUSE Manager Server 4.3 tomcat 9.0.87-150200.65.1 SUSE-SU-2024:1345-1
SUSE Enterprise Storage 7.1 apache-commons-daemon 1.3.4-150200.11.14.1 SUSE-SU-2024:1345-1
SUSE Enterprise Storage 7.1 apache-commons-dbcp 2.1.1-150200.10.8.1 SUSE-SU-2024:1345-1
SUSE Enterprise Storage 7.1 apache-commons-pool2 2.4.2-150200.11.8.1 SUSE-SU-2024:1345-1
SUSE Enterprise Storage 7.1 geronimo-specs 1.2-150200.15.8.1 SUSE-SU-2024:1345-1
SUSE Enterprise Storage 7.1 jakarta-taglibs-standard 1.1.1-150000.4.10.1 SUSE-SU-2024:1345-1
SUSE Enterprise Storage 7.1 tomcat 9.0.87-150200.65.1 SUSE-SU-2024:1345-1
ReleasePackageFixed inAdvisory
openSUSE Tumbleweed tomcat 9.0.87-1.1 openSUSE-SU-2024:13832-1
openSUSE Tumbleweed tomcat10 10.1.20-1.1 openSUSE-SU-2024:13833-1
openSUSE Leap 15.5 apache-commons-daemon 1.3.4-150200.11.14.1 SUSE-SU-2024:1345-1
openSUSE Leap 15.5 apache-commons-dbcp 2.1.1-150200.10.8.1 SUSE-SU-2024:1345-1
openSUSE Leap 15.5 apache-commons-pool2 2.4.2-150200.11.8.1 SUSE-SU-2024:1345-1
openSUSE Leap 15.5 geronimo-specs 1.2-150200.15.8.1 SUSE-SU-2024:1345-1
openSUSE Leap 15.5 jakarta-taglibs-standard 1.1.1-150000.4.10.1 SUSE-SU-2024:1345-1
openSUSE Leap 15.5 tomcat 9.0.87-150200.65.1 SUSE-SU-2024:1345-1
openSUSE Leap 15.5 tomcat10 10.1.20-150200.5.22.2 SUSE-SU-2024:1204-1

Amazon Linux

ReleasePackageFixed inAdvisory
Amazon Linux 2023 tomcat9 +7 1:9.0.87-1.amzn2023.0.2 ALAS2023-2024-577
Amazon Linux 2 tomcat +9 7.0.76-10.amzn2.0.8 ALAS2-2024-2514

Oracle Linux

ReleasePackageFixed inAdvisory
Oracle Linux 9 tomcat +7 1:9.0.87-1.el9_4.1 ELSA-2024-3307
Oracle Linux 8 tomcat +7 1:9.0.87-1.el8_10.1 ELSA-2024-3666

Affected packages

EcosystemPackageAffectedFixedRecord
Maven org.apache.tomcat:tomcat-websocket >= 11.0.0-M1, < 11.0.0-M17 11.0.0-M17 GHSA-v682-8vv8-vpwr
Maven org.apache.tomcat:tomcat-websocket >= 10.1.0-M1, < 10.1.19 10.1.19 GHSA-v682-8vv8-vpwr
Maven org.apache.tomcat:tomcat-websocket >= 9.0.0-M1, < 9.0.86 9.0.86 GHSA-v682-8vv8-vpwr
Maven org.apache.tomcat:tomcat-websocket >= 8.5.0, < 8.5.99 8.5.99 GHSA-v682-8vv8-vpwr
Maven org.apache.tomcat.embed:tomcat-embed-websocket >= 11.0.0-M1, < 11.0.0-M17 11.0.0-M17 GHSA-v682-8vv8-vpwr
Maven org.apache.tomcat.embed:tomcat-embed-websocket >= 10.1.0-M1, < 10.1.19 10.1.19 GHSA-v682-8vv8-vpwr
Maven org.apache.tomcat.embed:tomcat-embed-websocket >= 9.0.0-M1, < 9.0.86 9.0.86 GHSA-v682-8vv8-vpwr
Maven org.apache.tomcat.embed:tomcat-embed-websocket >= 8.5.0, < 8.5.99 8.5.99 GHSA-v682-8vv8-vpwr

Advisories 38

References