Red Hat Enterprise Linux (libsoup): Mehrere Schwachstellen
WID-SEC-2026-3952 · first 15.10.2026 · updated 27.10.2026 · CVSS 8,6
What it is about
Red Hat Enterprise Linux (RHEL) ist eine populäre Linux-Distribution. Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Red Hat Enterprise Linux ausnutzen, um eine Heap-Beschädigung oder einen Denial-of-Service-Zustand auszulösen.
Under what conditions?
Over the network and without logging in. This is the most dangerous combination: attackers can scan reachable devices automatically.
What can happen in the worst case
An attacker could use the vulnerability to
- eine Heap-Beschädigung oder einen Denial-of-Service-Zustand auszulösen
Am I affected?
Affected according to the BSI:
- Red Hat Enterprise Linux
- Fedora Linux
- RESF Rocky Linux
- SUSE Linux
- SUSE openSUSE
- Oracle Linux
- Red Hat Enterprise Linux 9
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 RHSA-2026:83384 vom 2026-10-14 access.redhat.com
- Red Hat Security Advisory RHSA-2026:83618 vom 2026-10-15 access.redhat.com
- Oracle Linux Security Advisory ELSA-2026-83384 vom 2026-10-15 linux.oracle.com
- Oracle Linux Security Advisory ELSA-2026-83618 vom 2026-10-16 linux.oracle.com
- Red Hat Security Advisory RHSA-2026:84586 vom 2026-10-19 access.redhat.com
- SUSE Security Update SUSE-SU-2026:4703-1 vom 2026-10-16 lists.suse.com
- Rocky Linux Security Advisory RLSA-2026:83384 vom 2026-10-16 errata.build.resf.org
- SUSE Security Update SUSE-SU-2026:4690-1 vom 2026-10-16 lists.suse.com
- SUSE Security Update SUSE-SU-2026:4739-1 vom 2026-10-19 lists.suse.com
- Oracle Linux Security Advisory ELSA-2026-84586 vom 2026-10-19 linux.oracle.com
- Rocky Linux Security Advisory RLSA-2026:84586 vom 2026-10-20 errata.build.resf.org
- openSUSE Security Update OPENSUSE-SU-2026:12084-1 vom 2026-10-21 lists.opensuse.org
- SUSE Security Update SUSE-SU-2026:24368-1 vom 2026-10-27 lists.suse.com
- Fedora Security Advisory FEDORA-2026-F06A7887AF vom 2026-10-27 bodhi.fedoraproject.org
- Fedora Security Advisory FEDORA-2026-6C3A4775A6 vom 2026-10-27 bodhi.fedoraproject.org
CVE: CVE-2026-102556, CVE-2026-102557, CVE-2026-102558, CVE-2026-102559, CVE-2026-102560
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.