CVE-2021-46828 @ morris

"CVE-2021-46828"
"libtirpc-0.2.4-0.16.el7"
"Am I vulnerable?"

Status

new

Priority

7.0

Match score

4.0

Risk

DoS Remote

CVSS

7.5 HIGH

Reason

cpe: libtirpc; pkgs: libtirpc; version: in-range: libtirpc-0.2.4-0.16.el7; risk:dos

Created

2026-10-15T10:20:35Z

Updated

2026-10-20T10:18:44Z

Package interrogation (copy)

Run on the host — click to copy a command. RPM

Package	Commands
libtirpc-0.2.4-0.16.el7

Inventory lookup

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Suggestions: libtirpc

Related CVE (same fix)

Point this ticket’s CVE at a higher-priority / same-fix primary so you only triage one.

Host OS / kernel

CloudLinux release 7.9 (Boris Yegorov) (7.9) · cloudlinux

Arch

x86_64

kernel_release

uname -r → 3.10.0-962.3.2.lve1.5.89.el7.x86_64

kernel_version

uname -v → #1 SMP Thu Jul 9 15:55:31 UTC 2026

For Linux kernel CVEs, kernel_version (Debian packaging / build string) often decides fixed vs not; kernel_release is used for upstream NVD range compares.

Same CVE on other hosts

Open the ticket for this CVE on another system.

System	Status	Priority	Updated
mufasa	new	7.0	2026-10-20T10:18:44Z	Open
Archive	new	0.62	2026-10-20T10:18:44Z	Open
Saiph	new	0.62	2026-10-20T10:18:44Z	Open

Description

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.

Update status

Add note only

References

NVD: CVE-2021-46828