RHSA-2026:83563 — Security Advisory
Red Hat Security Advisory: rpcbind security update
Severity
ImportantRed Hat Product Security
Products
Official CSAF product identity
Published · October 15, 2026
Updated · October 30, 2026
Topic
An update for rpcbind is now available for Red Hat Enterprise Linux 8.
Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Description
The rpcbind utility is a server that converts Remote Procedure Call (RPC) program numbers into universal addresses. It must be running on the host to be able to make RPC calls on a server on that machine.
Security Fix(es):
- rpcbind: Unbounded memory allocation in rpcbind statistics tracking allows unauthenticated remote denial of service (CVE-2026-94640)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.