CVE-2026-15561
eap8-activemq-artemis: A flaw was found in EAP's undertow http/1.1 chunked-transfer decoder
CVE-2026-15561 is fixed in 41 products on 1 platform, first by RHSA-2026:70230, released September 23, 2026. It is not reported as exploited. Patch Radar priority: High.
High
CVSS
7.5
important
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0072
54th percentile
A flaw was found in EAP's undertow http/1.1 chunked-transfer decoder. missing limits on size and count would allow an attacker to use an unauthenticated connection to drive the JVM to an OutOfMemory error, stopping all deployments on the listener, and achieving Denial of Service.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| eap8-activemq-artemis · RHEL 10 | 2.40.0-8.redhat_00024.1.el10eap | RHSA-2026:70230 | Sep 23, 2026 |
| eap8-apache-cxf · RHEL 10 | 4.1.7-1.SP1_redhat_00001.1.el10eap | RHSA-2026:70230 | Sep 23, 2026 |
| eap8-artemis-wildfly-integration · RHEL 10 | 2.0.5-1.Final_redhat_00001.1.el10eap | RHSA-2026:70230 | Sep 23, 2026 |
| eap8-bouncycastle · RHEL 10 | 1.85.0-1.redhat_00001.1.el10eap | RHSA-2026:70230 | Sep 23, 2026 |
| eap8-cryptacular · RHEL 10 | 1.2.7-1.redhat_00002.1.el10eap | RHSA-2026:70230 | Sep 23, 2026 |
| eap8-eap-product-conf-parent · RHEL 10 | 801.8.0-1.GA_redhat_00001.1.el10eap | RHSA-2026:70230 | Sep 23, 2026 |
| eap8-hibernate · RHEL 10 | 6.6.54-1.Final_redhat_00001.1.el10eap | RHSA-2026:70230 | Sep 23, 2026 |
| eap8-httpcomponents-asyncclient · RHEL 10 | 4.1.5-5.redhat_00008.1.el10eap | RHSA-2026:70230 | Sep 23, 2026 |
| eap8-ironjacamar · RHEL 10 | 3.0.22-1.Final_redhat_00001.1.el10eap | RHSA-2026:70230 | Sep 23, 2026 |
| eap8-jackson-annotations · RHEL 10 | 2.18.9-1.redhat_00003.1.el10eap | RHSA-2026:70230 | Sep 23, 2026 |
| eap8-jackson-core · RHEL 10 | 2.18.9-1.redhat_00003.1.el10eap | RHSA-2026:70230 | Sep 23, 2026 |
| eap8-jackson-databind · RHEL 10 | 2.18.9-1.redhat_00003.1.el10eap | RHSA-2026:70230 | Sep 23, 2026 |
| eap8-jackson-dataformats-text · RHEL 10 | 2.18.9-1.redhat_00003.1.el10eap | RHSA-2026:70230 | Sep 23, 2026 |
| eap8-jackson-jaxrs-providers · RHEL 10 | 2.18.9-1.redhat_00003.1.el10eap | RHSA-2026:70230 | Sep 23, 2026 |
| eap8-jackson-modules-base · RHEL 10 | 2.18.9-1.redhat_00003.1.el10eap | RHSA-2026:70230 | Sep 23, 2026 |
| eap8-jackson-modules-java8 · RHEL 10 | 2.18.9-1.redhat_00003.1.el10eap | RHSA-2026:70230 | Sep 23, 2026 |
| eap8-jakarta-xml-bind-api · RHEL 10 | 4.0.5-1.redhat_00001.1.el10eap | RHSA-2026:70230 | Sep 23, 2026 |
| eap8-jaxb · RHEL 10 | 4.0.7-4.redhat_00001.1.el10eap | RHSA-2026:70230 | Sep 23, 2026 |
| eap8-jaxbintros · RHEL 10 | 2.1.0-1.redhat_00001.1.el10eap | RHSA-2026:70230 | Sep 23, 2026 |
| eap8-jboss-logging · RHEL 10 | 3.6.3-1.Final_redhat_00001.1.el10eap | RHSA-2026:70230 | Sep 23, 2026 |
| eap8-jboss-remoting · RHEL 10 | 5.0.31-1.SP2_redhat_00001.1.el10eap | RHSA-2026:70230 | Sep 23, 2026 |
| eap8-jbossws-api · RHEL 10 | 3.1.0-1.Final_redhat_00001.1.el10eap | RHSA-2026:70230 | Sep 23, 2026 |
| eap8-jbossws-common-tools · RHEL 10 | 2.2.0-1.Final_redhat_00001.1.el10eap | RHSA-2026:70230 | Sep 23, 2026 |
| eap8-jbossws-cxf · RHEL 10 | 7.4.0-1.Final_redhat_00001.1.el10eap | RHSA-2026:70230 | Sep 23, 2026 |
| eap8-jbossws-jaxws-undertow-httpspi · RHEL 10 | 3.0.1-1.Final_redhat_00001.1.el10eap | RHSA-2026:70230 | Sep 23, 2026 |
| eap8-jbossws-spi · RHEL 10 | 5.1.0-1.Final_redhat_00001.1.el10eap | RHSA-2026:70230 | Sep 23, 2026 |
| eap8-jsf-impl · RHEL 10 | 4.0.11-2.SP1_redhat_00001.1.el10eap | RHSA-2026:70230 | Sep 23, 2026 |
| eap8-log4j · RHEL 10 | 2.25.4-1.redhat_00003.1.el10eap | RHSA-2026:70230 | Sep 23, 2026 |
| eap8-neethi · RHEL 10 | 3.2.2-1.redhat_00001.1.el10eap | RHSA-2026:70230 | Sep 23, 2026 |
| eap8-netty · RHEL 10 | 4.1.136-1.Final_redhat_00001.1.el10eap | RHSA-2026:70230 | Sep 23, 2026 |
| eap8-netty-transport-native-epoll · RHEL 10 | 4.1.136-1.Final_redhat_00001.1.el10eap | RHSA-2026:70230 | Sep 23, 2026 |
| eap8-nimbus-jose-jwt · RHEL 10 | 9.37.4-1.redhat_00001.1.el10eap | RHSA-2026:70230 | Sep 23, 2026 |
| eap8-parsson · RHEL 10 | 1.1.9-1.redhat_00001.1.el10eap | RHSA-2026:70230 | Sep 23, 2026 |
| eap8-saaj-impl · RHEL 10 | 3.0.6-1.redhat_00001.1.el10eap | RHSA-2026:70230 | Sep 23, 2026 |
| eap8-slf4j · RHEL 10 | 2.0.18-1.redhat_00001.1.el10eap | RHSA-2026:70230 | Sep 23, 2026 |
| eap8-undertow · RHEL 10 | 2.3.26-2.SP3_redhat_00001.1.el10eap | RHSA-2026:70230 | Sep 23, 2026 |
| eap8-wildfly · RHEL 10 | 8.1.8-9.GA_redhat_00006.1.el10eap | RHSA-2026:70230 | Sep 23, 2026 |
| eap8-wildfly-elytron · RHEL 10 | 2.6.11-1.Final_redhat_00001.1.el10eap | RHSA-2026:70230 | Sep 23, 2026 |
| eap8-wildfly-javadocs · RHEL 10 | 8.1.1-12.GA_redhat_00048.1.el10eap | RHSA-2026:70230 | Sep 23, 2026 |
| eap8-ws-commons-XmlSchema · RHEL 10 | 2.3.2-1.redhat_00001.1.el10eap | RHSA-2026:70230 | Sep 23, 2026 |
| eap8-xml-security · RHEL 10 | 3.0.6-1.redhat_00001.1.el10eap | RHSA-2026:70230 | Sep 23, 2026 |
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