Advisoriesby IbisRed HatCVE-2026-94640
Red Hat rpcbind. This vulnerability: denial of service
No fix yet
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.
Affected versions
| Package | Affected | Fixed in |
|---|---|---|
| Red Hat Enterprise Linux 6 Product | all versions | No fix yet |
| Red Hat Enterprise Linux 7 Product | all versions | No fix yet |
| Red Hat OpenShift Container Platform 4 Product | all versions | No fix yet |
| Red Hat OpenShift Container Platform 5 Product | all versions | No fix yet |
Details and references
- CVSS 3.1
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Severity from
- the vendor (its own CVE record or advisory)
- Weakness
- CWE-400
- www.cve.org/CVERecord?id=CVE-2026-94640
- nvd.nist.gov/vuln/detail/CVE-2026-94640
- access.redhat.com/errata/RHSA-2026:83561
- access.redhat.com/errata/RHSA-2026:83562
- access.redhat.com/errata/RHSA-2026:83563
- access.redhat.com/errata/RHSA-2026:89197
- access.redhat.com/security/cve/CVE-2026-94640
- bugzilla.redhat.com/show_bug.cgi?id=2462960