Bug 2532762 (CVE-2026-90584)

Summary: CVE-2026-90584 Java-WebSocket: Java-WebSocket: Denial of Service due to resource allocation in fragmentation handling
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedKeywords: Security
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Hardware: All   
OS: Linux   
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A flaw was found in TooTallNate Java-WebSocket. A remote attacker can exploit a weakness in the `processFrameContinuousAndNonFin` function within the Fragmentation Handler component. This vulnerability allows for excessive allocation of resources, which can lead to a Denial of Service (DoS) condition, making the application unavailable to legitimate users.
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Bug Depends On: 2532936    
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Description OSIDB Bzimport 2026-09-13 20:21:27 UTC 
A weakness has been identified in TooTallNate Java-WebSocket up to 1.6.1. The impacted element is the function processFrameContinuousAndNonFin of the file Draft_6455.java of the component Fragmentation Handler. Executing a manipulation can lead to allocation of resources. The attack may be performed from remote. The exploit has been made available to the public and could be used for attacks. The pull request to fix this issue awaits acceptance.