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A flaw was found in Undertow. A remote attacker could exploit this vulnerability by sending specially crafted WebSocket messages with permessage-deflate negotiated. This could lead to excessive memor…

高危 CVSS 7.5
CVECVE-2026-5680
首次发现2026-09-22 16:31 UTC
披露时间2026-08-27 17:18 UTC
最后更新2026-09-22 16:31 UTC
通道状态auto

摘要

A flaw was found in Undertow. A remote attacker could exploit this vulnerability by sending specially crafted WebSocket messages with permessage-deflate negotiated. This could lead to excessive memory consumption due to the PerMessageDeflateFunction.largerBuffer() method using exponential doubling, resulting in a Denial of Service (DoS) for the affected application.

中文摘要建设中,暂以英文摘要呈现(DR-003 v2)。

深度研判

该漏洞尚未生成深度研判报告(DR-003 v2 AI pipeline 建设中)。

数据来源

  • NVD DATABASE

原始链接

时间线

  1. nvd_ingest NVD