Description
Uncontrolled Resource Consumption vulnerability in the examples web application provided with Apache Tomcat leads to denial of service.
This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.1, from 10.1.0-M1 through 10.1.33, from 9.0.0.M1 through 9.9.97.
The following versions were EOL at the time the CVE was created but are
known to be affected: 8.5.0 though 8.5.100. Other, older, EOL versions
may also be affected.
Users are recommended to upgrade to version 11.0.2, 10.1.34 or 9.0.98, which fixes the issue.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Apache Software Foundation | Apache Tomcat | 11.0.0-M1 – ≤ 11.0.1, 10.1.0-M1 – ≤ 10.1.33, 9.0.0.M1 – ≤ 9.0.97, 8.5.0 – ≤ 8.5.100 | — |
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.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | tomcat10 | 10.1.34-1 | — |
| Debian 14 | tomcat9 | 9.0.70-2 | — |
| Debian 13 | tomcat10 | 10.1.34-1 | — |
| Debian 13 | tomcat9 | 9.0.70-2 | — |
| Debian 12 | tomcat10 | 10.1.34-0+deb12u1 | DSA-5845-1 |
| Debian 12 | tomcat9 | 9.0.70-2 | — |
| Debian 11 | tomcat9 | 9.0.107-0+deb11u1 | DLA-4244-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 24.04 LTS | tomcat10 | 10.1.16-1ubuntu0.1~esm3 | USN-7705-1 |
| Ubuntu Pro 22.04 LTS | tomcat9 | No fix yet | — |
| Ubuntu Pro 20.04 LTS | tomcat9 | No fix yet | — |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 18.04 LTS | tomcat8 +1 | No fix yet | — |
| Ubuntu Pro 16.04 LTS | tomcat8 | No fix yet | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 10 | tomcat +7 | 1:10.1.36-1.el10_0 | RHSA-2025:7497 |
| RHEL 9 | tomcat +7 | 1:9.0.110-2.el9_8 | RHSA-2026:18916 |
| RHEL 8 | tomcat +7 | 1:9.0.120-1.el8_10 | RHSA-2026:68677 |
Show 5 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 9.6 EUS | tomcat +7 | 1:9.0.120-1.el9_6 | RHSA-2026:68659 |
| RHEL 9.4 E4S | tomcat +7 | 1:9.0.120-1.el9_4 | RHSA-2026:68679 |
| RHEL 9.2 E4S | tomcat +7 | 1:9.0.120-1.el9_2 | RHSA-2026:68678 |
| RHEL 8.8 TUS | tomcat +7 | 1:9.0.120-1.el8_8 | RHSA-2026:68680 |
| RHEL 8.8 E4S | tomcat +7 | 1:9.0.120-1.el8_8 | RHSA-2026:68680 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 10 | tomcat +7 | 1:10.1.36-1.el10_0 | ALSA-2025:7497 |
| AlmaLinux 8 | tomcat +7 | 1:9.0.120-1.el8_10 | ALSA-2026:68677 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 10 | tomcat | 1:10.1.36-1.el10_0 | RLSA-2025:7497 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP6 | tomcat | 9.0.98-150200.74.1 | SUSE-SU-2025:0058-1 |
| SLES 15 SP6 | tomcat10 | 10.1.34-150200.5.31.1 | SUSE-SU-2025:0033-1 |
| SLES 15 SP5 | tomcat | 9.0.98-150200.74.1 | SUSE-SU-2025:0058-1 |
| SLES 15 SP5 | tomcat10 | 10.1.34-150200.5.31.1 | SUSE-SU-2025:0033-1 |
| SLES 15 SP4 | tomcat | 9.0.98-150200.74.1 | SUSE-SU-2025:0058-1 |
| SLES 15 SP3 | tomcat | 9.0.98-150200.74.1 | SUSE-SU-2025:0058-1 |
| SLES 12 SP5 | tomcat | 9.0.36-3.136.1 | SUSE-SU-2026:1058-1, SUSE-SU-2025:0394-1 |
Show 8 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 15 SP5 | tomcat | 9.0.98-150200.74.1 | SUSE-SU-2025:0058-1 |
| SLES for SAP 15 SP5 | tomcat10 | 10.1.34-150200.5.31.1 | SUSE-SU-2025:0033-1 |
| SLES for SAP 15 SP4 | tomcat | 9.0.98-150200.74.1 | SUSE-SU-2025:0058-1 |
| SLES for SAP 15 SP3 | tomcat | 9.0.98-150200.74.1 | SUSE-SU-2025:0058-1 |
| SLE HPC 15 SP5 | tomcat | 9.0.98-150200.74.1 | SUSE-SU-2025:0058-1 |
| SLE HPC 15 SP5 | tomcat10 | 10.1.34-150200.5.31.1 | SUSE-SU-2025:0033-1 |
| SLE HPC 15 SP4 | tomcat | 9.0.98-150200.74.1 | SUSE-SU-2025:0058-1 |
| SLE HPC 15 SP3 | tomcat | 9.0.98-150200.74.1 | SUSE-SU-2025:0058-1 |
| SUSE Manager Server 4.3 | tomcat | 9.0.98-150200.74.1 | SUSE-SU-2025:0058-1 |
| SUSE Enterprise Storage 7.1 | tomcat | 9.0.98-150200.74.1 | SUSE-SU-2025:0058-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | tomcat | 9.0.98-1.1 | openSUSE-SU-2025:14622-1 |
| openSUSE Tumbleweed | tomcat10 | 10.1.34-1.1 | openSUSE-SU-2025:14623-1 |
| openSUSE Leap 15.6 | tomcat | 9.0.98-150200.74.1 | SUSE-SU-2025:0058-1 |
| openSUSE Leap 15.6 | tomcat10 | 10.1.34-150200.5.31.1 | SUSE-SU-2025:0033-1 |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2023 | tomcat10 +7 | 1:10.1.34-1.amzn2023.0.1 | ALAS2023-2025-814 |
| Amazon Linux 2023 | tomcat9 +7 | 1:9.0.98-1.amzn2023.0.1 | ALAS2023-2025-813 |
| Amazon Linux 2 | tomcat +9 | 7.0.76-10.amzn2.0.11 | ALAS2-2025-2829 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 10 | tomcat +7 | 1:10.1.36-1.el10_0 | ELSA-2025-7497 |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| Maven | org.apache.tomcat:tomcat | >= 11.0.0-M1, < 11.0.2 | 11.0.2 | GHSA-653p-vg55-5652 |
| Maven | org.apache.tomcat:tomcat | >= 10.1.0-M1, < 10.1.34 | 10.1.34 | GHSA-653p-vg55-5652 |
| Maven | org.apache.tomcat:tomcat | >= 9.0.0.M1, < 9.0.98 | 9.0.98 | GHSA-653p-vg55-5652 |
Advisories 27
- ALSA-2025:7497 Moderate: tomcat security update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2026:68677 Important: tomcat security update AlmaLinux Security Advisories · Oct 29, 2026
- RHSA-2026:68680 Red Hat Security Advisory: tomcat security update Red Hat Security Advisories (RHSA) · Oct 17, 2026
- RHSA-2026:68678 Red Hat Security Advisory: tomcat security update Red Hat Security Advisories (RHSA) · Oct 17, 2026
- RHSA-2026:68679 Red Hat Security Advisory: tomcat security update Red Hat Security Advisories (RHSA) · Oct 17, 2026
- RHSA-2026:68677 Red Hat Security Advisory: tomcat security update Red Hat Security Advisories (RHSA) · Oct 17, 2026
- RHSA-2026:68659 Red Hat Security Advisory: tomcat security update Red Hat Security Advisories (RHSA) · Oct 17, 2026
- RHSA-2025:7497 Red Hat Security Advisory: tomcat security update Red Hat Security Advisories (RHSA) · Oct 15, 2026
- RHSA-2026:18916 Red Hat Security Advisory: tomcat security update Red Hat Security Advisories (RHSA) · Oct 9, 2026
- WID-SEC-2024-3722 Apache Tomcat: Mehrere Schwachstellen BSI CERT-Bund (WID) · Sep 17, 2026
- SA26P011 Security Issues addressed in APROL R 4.4-01P5 ABB PSIRT · Jul 6, 2026
- USN-7705-1 tomcat10 vulnerabilities Ubuntu Security Notices (USN) · Apr 27, 2026
- SUSE-SU-2026:1058-1 Security update for tomcat SUSE / openSUSE Security Updates · Mar 27, 2026
- DSA-5845-1 tomcat10 - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-4244-1 tomcat9 - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-2025:0033-1 Security update for tomcat10 SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2025:14622-1 tomcat-9.0.98-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2025:0394-1 Security update for tomcat SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2025:14623-1 tomcat10-10.1.34-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2025:0058-1 Security update for tomcat SUSE / openSUSE Security Updates · Feb 4, 2026
- RLSA-2025:7497 Moderate: tomcat security update Rocky Linux Security Advisories · Oct 8, 2025
- ELSA-2025-7497 Moderate: tomcat security update (Oracle Linux 10) Oracle Linux Security Advisories (ELSA) · Jun 27, 2025
- ALAS2-2025-2829 Low: tomcat security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Apr 16, 2025
- ALAS2023-2025-813 Important: tomcat9 security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · Feb 26, 2025
- ALAS2023-2025-814 Important: tomcat10 security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · Feb 26, 2025
- NCSC-2025-0021 Kwetsbaarheden verholpen in Oracle Communications NCSC-NL (Netherlands) · Jan 22, 2025
- NCSC-2025-0020 Kwetsbaarheden verholpen in Oracle Database producten NCSC-NL (Netherlands) · Jan 22, 2025
References
- https://lists.apache.org/thread/tdtbbxpg5trdwc2wnopcth9ccvdftq2n vendor-advisory