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CVE-2026-15561

A flaw was found in EAP's undertow http/1.1 chunked-transfer decoder.

Impact

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.

Affected products

VendorProductAffected versions
Red HatRed Hat JBoss Enterprise Application Platform 8.1 For RHEL 10
Versions patch: 0:2.0.5-1.Final_redhat_00001.1.el10eap, patch: 0:4.0.7-4.redhat_00001.1.el10eap, patch: 0:2.40.0-8.redhat_00024.1.el10eap, patch: 0:1.1.9-1.redhat_00001.1.el10eap, patch: 0:4.0.5-1.redhat_00001.1.el10eap, patch: 0:2.3.26-2.SP3_redhat_00001.1.el10eap
Red HatRed Hat JBoss Enterprise Application Platform 8.1 For RHEL 8
Versions patch: 0:3.0.1-1.Final_redhat_00001.1.el8eap, patch: 0:8.1.8-9.GA_redhat_00006.1.el8eap, patch: 0:1.85.0-1.redhat_00001.1.el8eap, patch: 0:2.6.11-1.Final_redhat_00001.1.el8eap, patch: 0:2.0.5-1.Final_redhat_00001.1.el8eap, patch: 0:2.3.26-2.SP3_redhat_00001.1.el8eap
Red HatRed Hat JBoss Enterprise Application Platform 7.4 ELS On RHEL 7
Versions patch: 0:2.5.5-30.SP12_redhat_00020.1.el7eap, patch: 0:4.1.135-1.Final_redhat_00001.1.el7eap, patch: 0:1.5.26-2.Final_redhat_00001.1.el7eap, patch: 0:5.0.31-3.SP2_redhat_00001.1.el7eap, patch: 0:1.10.0-46.Final_redhat_00044.1.el7eap, patch: 0:2.16.0-22.redhat_00057.1.el7eap
Red HatRed Hat JBoss Enterprise Application Platform 8.1 For RHEL 9
Versions patch: 0:801.8.0-1.GA_redhat_00001.1.el9eap, patch: 0:2.0.18-1.redhat_00001.1.el9eap, patch: 0:1.1.9-1.redhat_00001.1.el9eap, patch: 0:2.1.0-1.redhat_00001.1.el9eap, patch: 0:3.6.3-1.Final_redhat_00001.1.el9eap, patch: 0:2.3.2-1.redhat_00001.1.el9eap
Red HatRed Hat JBoss Enterprise Application Platform 8.1.8.GA
Version patch: 2.3.26.SP3-redhat-00001

Weakness classification

CWE-770

References