CVE-2024-4027
Undertow: outofmemoryerror in httpservletrequestimpl.getparameternames() can cause remote dos attacks
CVSS Score
7.5
EPSS Score
0.3%
EPSS Percentile
49th
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.
| CWE | CWE-20 |
| Vendor | red hat |
| Product | openshift serverless |
| Published | Jan 30, 2026 |
| Last Updated | Mar 26, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Affected Versions
Red Hat / OpenShift Serverless
All versions affected Red Hat / Red Hat build of Apache Camel 4 for Quarkus 3
All versions affected Red Hat / Red Hat build of Apache Camel for Spring Boot 3
All versions affected Red Hat / Red Hat build of Apache Camel for Spring Boot 4
All versions affected Red Hat / Red Hat build of Apache Camel - HawtIO 4
All versions affected Red Hat / Red Hat build of Apicurio Registry 2
All versions affected Red Hat / Red Hat Build of Keycloak
All versions affected Red Hat / Red Hat build of OptaPlanner 8
All versions affected Red Hat / Red Hat build of Quarkus
All versions affected Red Hat / Red Hat build of Quarkus
All versions affected Red Hat / Red Hat Data Grid 8
All versions affected Red Hat / Red Hat Fuse 7
All versions affected Red Hat / Red Hat Integration Camel K 1
All versions affected Red Hat / Red Hat JBoss Data Grid 7
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 7
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform Expansion Pack
All versions affected Red Hat / Red Hat JBoss Fuse Service Works 6
All versions affected Red Hat / Red Hat Process Automation 7
All versions affected Red Hat / Red Hat Single Sign-On 7
All versions affected Red Hat / streams for Apache Kafka
All versions affected