What is CVE-2026-94640?

CVE-2026-94640 is a high-severity vulnerability in Red Hat Enterprise Linux 10, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2026-09-22.

How severe is CVE-2026-94640?

High severity. CVSS v3 base score is 7.5 out of 10.

Resource exhaustion in Red Hat Enterprise Linux 10

CVE-2026-94640

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.

Vulnerability class: DoS (Denial of Service)

Published 2026-09-22 · last modified 2026-09-22.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Weakness classification (CWE)

CWE-400 — Uncontrolled Resource Consumption

References

access.redhat.com/security/cve/CVE-2026-94640 (vdb-entry)
bugzilla.redhat.com/show_bug.cgi (issue-tracking)

Frequently asked questions

What is CVE-2026-94640?: CVE-2026-94640 is a high-severity vulnerability in Red Hat Enterprise Linux 10, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2026-09-22.
How severe is CVE-2026-94640?: High severity. CVSS v3 base score is 7.5 out of 10.