一线运维实战手记 · 云计算 · 数据库 · 故障排查
2026年9月23日

CVE-2026-94640 [HIGH] – A flaw was found in rpcbind. This vulnerability allows a remote, unauthenticated attacker

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A flaw was found in rpcbind. This vulnerability allows a remote, unauthenticated attacker to cause a Denial of Service (DoS) by sending a large number of unique requests. The rpcbind service records previously unseen RPC (Remote Procedure Call) statistics in unbounded in-memory lists, leading to persistent memory growth and increased CPU usage. This can degrade or exhaust service availability.