VDB
CVE-2026-23557
CVE-2026-23557
PUBLISHED
CVSS 8.699999809265137 HIGH
Xen ist ein Virtueller-Maschinen-Monitor (VMM), der Hardware (x86, IA-64, PowerPC) für die darauf laufenden Systeme (Domains) paravirtualisiert. Citrix XenServer ist eine Lösung für das Management, die Konfiguration und den Betrieb virtueller Maschinen auf Servern.
EPSS 0.16% · 4.9th percentile
Risk Scores
CVSS 4.0
8.699999809265137
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
EPSS Score
0.16%
4.9th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Oracle | Oracle Linux | |
| Fedora | Fedora Linux | |
| IBM | IBM QRadar SIEM | |
| SUSE | SUSE Linux | |
| SUSE | SUSE openSUSE | |
| Debian | Debian Linux | |
| Red Hat | Red Hat Enterprise Linux |
Timeline
- Apr 28, 2026 CVE Published
- May 20, 2026 EPSS Score
- May 21, 2026 EPSS Score
- May 21, 2026 Security Advisory
- May 22, 2026 EPSS Score
- May 23, 2026 EPSS Score
- May 24, 2026 EPSS Score
- May 25, 2026 EPSS Score
- May 26, 2026 EPSS Score
- May 27, 2026 EPSS Score
- May 28, 2026 EPSS Score
- May 29, 2026 EPSS Score
References
- https://access.redhat.com/errata/RHSA-2026:48386 advisory
- https://security-tracker.debian.org/tracker/DSA-6424-1 advisory
- https://access.redhat.com/errata/RHSA-2026:52764 advisory
- https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-1306.json advisory
- https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-1306 advisory
- https://xenbits.xen.org/xsa/advisory-483.html advisory
- https://xenbits.xen.org/xsa/advisory-484.html advisory
- https://xenbits.xen.org/xsa/advisory-485.html advisory
- https://xenbits.xen.org/xsa/advisory-486.html advisory
- https://xenbits.xen.org/xsa/advisory-487.html advisory
- https://xenbits.xen.org/xsa/advisory-489.html advisory
- https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX696527&articleURL=XenServer_Security_Update_for_Multiple_Issues advisory
- https://lists.suse.com/pipermail/sle-security-updates/2026-April/025766.html advisory
- https://bodhi.fedoraproject.org/updates/FEDORA-2026-0c9aff64a5 advisory
- https://bodhi.fedoraproject.org/updates/FEDORA-2026-78cd69d9ae advisory
- https://lists.debian.org/debian-security-announce/2026/msg00148.html advisory
- https://lists.debian.org/debian-security-announce/2026/msg00154.html advisory
- https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/2ZGHLYRMCFK5DY7XYNQC3RXMO73GDQX6/ advisory
- https://lists.suse.com/pipermail/sle-security-updates/2026-May/025844.html advisory
- https://lists.suse.com/pipermail/sle-security-updates/2026-May/025928.html advisory
…and 9 more