CVE-2021-46828

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.

CVSS 3.1

7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS

3.2% chance of exploitation in the next 30 days; higher than 88% of CVEs (scores of 2026-10-25)

CWEs

CWE-755, CWE-835

Published

2022-07-20

Modified

2026-10-14

Record from

the NVD, synced 2026-10-19

Affected

• debian:debian_linux
• libtirpc_project:libtirpc

References

• http://git.linux-nfs.org/?p=steved/libtirpc.git%3Ba=commit%3Bh=86529758570cef4c73fb9b9c4104fdc510f701ed
• https://lists.debian.org/debian-lts-announce/2022/08/msg00004.html
• https://security.gentoo.org/glsa/202210-33
• https://security.netapp.com/advisory/ntap-20221007-0004/
• https://www.debian.org/security/2022/dsa-5200

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