A flaw was found in Undertow. Servlets using a method that calls HttpServletRequestImpl.getParameterNames() can cause an OutOfMemoryError when the client sends a request with large parameter names. This issue can be exploited by an unauthorized user to cause a remote denial-of-service (DoS) attack.
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History
Fri, 30 Jan 2026 15:15:00 +0000
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ssvc
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Fri, 30 Jan 2026 14:30:00 +0000
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| Description | A flaw was found in Undertow. Servlets using a method that calls HttpServletRequestImpl.getParameterNames() can cause an OutOfMemoryError when the client sends a request with large parameter names. This issue can be exploited by an unauthorized user to cause a remote denial-of-service (DoS) attack. | |
| Title | Undertow: outofmemoryerror in httpservletrequestimpl.getparameternames() can cause remote dos attacks | |
| First Time appeared |
Redhat
Redhat amq Streams Redhat apache Camel Hawtio Redhat build Keycloak Redhat camel Quarkus Redhat camel Spring Boot Redhat integration Redhat jboss Data Grid Redhat jboss Enterprise Application Platform Redhat jboss Enterprise Bpms Platform Redhat jboss Fuse Redhat jboss Fuse Service Works Redhat jbosseapxp Redhat optaplanner Redhat quarkus Redhat red Hat Single Sign On Redhat serverless Redhat service Registry |
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| Weaknesses | CWE-20 | |
| CPEs | cpe:/a:redhat:amq_streams:1 cpe:/a:redhat:apache_camel_hawtio:4 cpe:/a:redhat:build_keycloak: cpe:/a:redhat:camel_quarkus:3 cpe:/a:redhat:camel_spring_boot:3 cpe:/a:redhat:camel_spring_boot:4 cpe:/a:redhat:integration:1 cpe:/a:redhat:jboss_data_grid:7 cpe:/a:redhat:jboss_data_grid:8 cpe:/a:redhat:jboss_enterprise_application_platform:7 cpe:/a:redhat:jboss_enterprise_application_platform:8 cpe:/a:redhat:jboss_enterprise_bpms_platform:7 cpe:/a:redhat:jboss_fuse:7 cpe:/a:redhat:jboss_fuse_service_works:6 cpe:/a:redhat:jbosseapxp cpe:/a:redhat:optaplanner:::el6 cpe:/a:redhat:quarkus:2 cpe:/a:redhat:red_hat_single_sign_on:7 cpe:/a:redhat:serverless:1 cpe:/a:redhat:service_registry:2 |
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| Vendors & Products |
Redhat
Redhat amq Streams Redhat apache Camel Hawtio Redhat build Keycloak Redhat camel Quarkus Redhat camel Spring Boot Redhat integration Redhat jboss Data Grid Redhat jboss Enterprise Application Platform Redhat jboss Enterprise Bpms Platform Redhat jboss Fuse Redhat jboss Fuse Service Works Redhat jbosseapxp Redhat optaplanner Redhat quarkus Redhat red Hat Single Sign On Redhat serverless Redhat service Registry |
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cvssV3_1
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Status: PUBLISHED
Assigner: redhat
Published:
Updated: 2026-01-30T14:41:46.201Z
Reserved: 2024-04-22T13:10:21.747Z
Link: CVE-2024-4027
Updated: 2026-01-30T14:41:29.080Z
Status : Received
Published: 2026-01-30T15:16:07.113
Modified: 2026-01-30T15:16:07.113
Link: CVE-2024-4027
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OpenCVE Enrichment
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