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CVE-2021-46828

2026-10-11T14:54:29.299988+00:00

In libtirpc before 1.3.3rc1, remote attackers could exhaust the file descriptors of a process that uses libtirpc because idle TCP connections are mishandled. This can, in turn, lead to an svc_run infinite loop without accepting new connections.

USN-5538-1 — libtirpc vulnerability

2026-10-11T14:54:29.300056+00:00

Affected: Ubuntu:20.04:LTS: libtirpc, Ubuntu:22.04:LTS: libtirpc

It was discovered that libtirpc incorrectly handled certain inputs. An attacker could possibly use this issue to cause a denial of service.