CVE-2025-66560
highPriorität · verfolgen · 30EPSS 0.004 · 32. PerzentilDEEUJPUSEPSS · bewertet 2026-10-26
Quarkus is a Cloud Native, (Linux) Container First framework for writing Java applications. Prior to versions 3.31.0, 3.27.2, and 3.20.5, a vulnerability exists in the HTTP layer of Quarkus REST related to response handling. When a response is being written, the framework waits for previously written response chunks to be fully transmitted before proceeding. If the client connection is dropped during this waiting period, the associated worker thread is never released and becomes permanently blocked. Under sustained or repeated occurrences, this can exhaust the available worker threads, leading to degraded performance, or complete unavailability of the application. This issue has been patched in versions 3.31.0, 3.27.2, and 3.20.5. A workaround involves implementing a health check that monitors the status and saturation of the worker thread pool to detect abnormal thread retention early.
cvss
Technischer Schweregrad, 0–10. Eine Zeile je Quelle.
Basiswert 0–10 · höher = schwerwiegender · Vektor überfahren zum Auflösen⚠ Quellen uneinig · medium–high · 5.9–7.5
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- WID-SEC-W-2026-0325Red Hat Build of Quarkus: Mehrere SchwachstellenDeutsch2026-02-05csaf · cert_bundDE
Ein entfernter, authentisierter oder anonymer Angreifer kann mehrere Schwachstellen in Red Hat Enterprise Linux ausnutzen, um einen Denial of Service Angriff durchzuführen, vertrauliche Informationen offenzulegen oder Daten zu manipulieren.
- GHSA-5rfx-cp42-p624Quarkus REST has potential worker thread starvation when HTTP connection is closed while waiting to write2026-01-07ghsa · osvUS
A vulnerability exists in the HTTP layer of Quarkus REST related to response handling. When a response is being written, the framework waits for previously written response chunks to be fully transmitted before proceeding. If the client connection is dropped during this waiting period, the associated worker thread is never released and becomes permanently blocked. Under sustained or repeated occurrences, this can exhaust the available worker threads, leading to degraded performance, or complete unavailability of the application. ## Workarounds For versions without the fix applied, it is recommended to implement a health check that monitors the status and saturation of the worker thread pool. This helps detect abnormal thread retention early and allows operators to take corrective action before the application’s responsiveness is impacted. ## Credits CVE reported by Shaswata Jash, Nokia
- JVNDB-2026-026852JVN iPedia advisory JVNDB-2026-0268522026-08-05vendor · jvndbJP
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