Red Hat Enterprise Linux (glib2): Mehrere Schwachstellen
WID-SEC-2026-2866 · first 17.08.2026 · updated 29.10.2026 · CVSS 7,3
What it is about
Red Hat Enterprise Linux (RHEL) ist eine populäre Linux-Distribution. Ein Angreifer kann mehrere Schwachstellen in Red Hat Enterprise Linux (glib2) ausnutzen, um einen Denial of Service Angriff durchzuführen und um Informationen offenzulegen.
Under what conditions?
The BSI does not name any particular preconditions. Exploitable remotely according to the BSI.
What can happen in the worst case
An attacker could use the vulnerability to
- einen Denial of Service Angriff durchzuführen
- Informationen offenzulegen
Am I affected?
Affected according to the BSI:
- Red Hat Enterprise Linux
- RESF Rocky Linux
- SUSE Linux
- SUSE openSUSE
- Ubuntu Linux
- Oracle Linux
- Red Hat Enterprise Linux 9
- IBM App Connect Enterprise
- Dell Secure Connect Gateway <5.36.00.16
- IBM Security Verify Access
The installed version is usually shown under “Help → About” or in the device’s admin interface.
What helps?
Update to at least:
- Dell Secure Connect Gateway 5.36.00.16
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-2026:55440 vom 2026-08-16 access.redhat.com
- Rocky Linux Security Advisory RLSA-2026:55440 vom 2026-08-17 errata.build.resf.org
- Oracle Linux Security Advisory ELSA-2026-55440 vom 2026-08-19 linux.oracle.com
- Red Hat Security Advisory RHSA-2026:57015 vom 2026-08-19 access.redhat.com
- Oracle Linux Security Advisory ELSA-2026-57015 vom 2026-08-20 linux.oracle.com
- Rocky Linux Security Advisory RLSA-2026:57015 vom 2026-08-20 errata.build.resf.org
- Red Hat Security Advisory RHSA-2026:61783 vom 2026-09-01 access.redhat.com
- Dell Security Advisory DSA-2026-386 vom 2026-09-01 www.dell.com
- Red Hat Security Advisory RHSA-2026:61766 vom 2026-08-31 access.redhat.com
- Rocky Linux Security Advisory RLSA-2026:61766 vom 2026-09-01 errata.build.resf.org
- Oracle Linux Security Advisory ELSA-2026-61766 vom 2026-09-01 linux.oracle.com
- Red Hat Security Advisory RHSA-2026:65762 vom 2026-09-09 access.redhat.com
- Oracle Linux Security Advisory ELSA-2026-64799 vom 2026-09-08 linux.oracle.com
- Red Hat Security Advisory RHSA-2026:65771 vom 2026-09-09 access.redhat.com
- Red Hat Security Advisory RHSA-2026:65770 vom 2026-09-09 access.redhat.com
- Red Hat Security Advisory RHSA-2026:65768 vom 2026-09-09 access.redhat.com
- Red Hat Security Advisory RHSA-2026:65763 vom 2026-09-09 access.redhat.com
- Red Hat Security Advisory RHSA-2026:65767 vom 2026-09-09 access.redhat.com
- IBM Security Bulletin 7287318 vom 2026-09-14 www.ibm.com
- Ubuntu Security Notice USN-8794-1 vom 2026-09-21 ubuntu.com
- SUSE Security Update SUSE-SU-2026:4348-1 vom 2026-09-25 lists.suse.com
- SUSE Security Update SUSE-SU-2026:23880-1 vom 2026-09-28 lists.suse.com
- SUSE Security Update SUSE-SU-2026:4367-1 vom 2026-09-29 lists.suse.com
- Oracle Linux Security Advisory ELSA-2026-65773 vom 2026-09-29 linux.oracle.com
- SUSE Security Update SUSE-SU-2026:23928-1 vom 2026-09-30 lists.suse.com
and 20 more sources in the original advisory
CVE: CVE-2026-15588, CVE-2026-58010, CVE-2026-58011, CVE-2026-58012, CVE-2026-58013, CVE-2026-58014, CVE-2026-58015
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.