What is CVE-2026-85231?

CVE-2026-85231 is a medium-severity vulnerability in Red Hat Enterprise Linux 10, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 6.5/10. Published 2026-10-16.

How severe is CVE-2026-85231?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Resource exhaustion in Red Hat Enterprise Linux 10

CVE-2026-85231

A flaw was found in libtirpc. An authenticated remote attacker could exploit this vulnerability by sending oversized wrapped data requests to an RPC (Remote Procedure Call) service configured with RPCSEC_GSS (Remote Procedure Call Security-Generic Security Service) integrity or privacy. This can lead to unbounded memory allocation, resulting in a Denial of Service (DoS) by exhausting system resources and causing the service to become unstable or terminate.

Published 2026-10-16 · last modified 2026-10-16.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/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-770 — Allocation of Resources Without Limits or Throttling

References

access.redhat.com/security/cve/CVE-2026-85231 (vdb-entry)
bugzilla.redhat.com/show_bug.cgi (issue-tracking)

Frequently asked questions

What is CVE-2026-85231?: CVE-2026-85231 is a medium-severity vulnerability in Red Hat Enterprise Linux 10, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 6.5/10. Published 2026-10-16.
How severe is CVE-2026-85231?: Medium severity. CVSS v3 base score is 6.5 out of 10.