Red Hat Enterprise Linux (Valkey): Mehrere Schwachstellen
WID-SEC-2026-0546 · first 27.02.2026 · updated 28.05.2026 · CVSS 8,5
What it is about
Red Hat Enterprise Linux (RHEL) ist eine populäre Linux-Distribution. Ein entfernter, authentisierter oder anonymer Angreifer kann mehrere Schwachstellen in Red Hat Enterprise Linux bezüglich Valkey ausnutzen, um Dateien zu manipulieren oder einen Denial-of-Service-Zustand zu verursachen.
Under what conditions?
Over the network, but only with valid access (login required), for example with stolen credentials or as an insider.
What can happen in the worst case
An attacker could use the vulnerability to
- Dateien zu manipulieren oder einen Denial-of-Service-Zustand zu verursachen
Am I affected?
Affected according to the BSI:
- Debian Linux
- Red Hat Enterprise Linux
- Ubuntu Linux
- SUSE Linux
- Oracle Linux
- RESF Rocky Linux
- Red Hat Enterprise Linux 10
The installed version is usually shown under “Help → About” or in the device’s admin interface.
What helps?
Install the updates provided by the vendor; details in the sources below.
Is the vulnerability already being exploited?
None of the CVEs is in the CISA catalogue of exploited vulnerabilities. That does not mean there are no attacks, only that none are documented.
Information and sources
- Original BSI advisory (WID)
- Red Hat Security Advisory: valkey security update vom 2026-02-26 access.redhat.com
- Oracle Linux Security Advisory ELSA-2026-3443 vom 2026-02-26 linux.oracle.com
- Rocky Linux Security Advisory RLSA-2026:3443 vom 2026-02-28 errata.build.resf.org
- Red Hat Security Advisory RHSA-2026:3507 vom 2026-03-02 access.redhat.com
- SUSE Security Update SUSE-SU-2026:0685-1 vom 2026-02-28 lists.suse.com
- Oracle Linux Security Advisory ELSA-2026-3507 vom 2026-03-02 linux.oracle.com
- Rocky Linux Security Advisory RLSA-2026:3507 vom 2026-03-05 errata.build.resf.org
- SUSE Security Update SUSE-SU-2026:0848-1 vom 2026-03-09 lists.suse.com
- Ubuntu Security Notice USN-8106-1 vom 2026-03-18 ubuntu.com
- Red Hat Security Advisory RHSA-2026:5445 vom 2026-03-23 access.redhat.com
- Debian Security Advisory DSA-6198 vom 2026-04-05 lists.debian.org
- Debian Security Advisory DSA-6279 vom 2026-05-19 security-tracker.debian.org
- SUSE Security Update SUSE-SU-2026:21814-1 vom 2026-05-27 lists.suse.com
CVE: CVE-2025-67733, CVE-2026-21863
Source: BSI warning and information service (CERT-Bund); CISA. The assessment of the conditions is my reading of the BSI text; the external pages are in their original language.