VDB
CVE-2026-23553
CVE-2026-23553
PUBLISHED
Citrix XenServer ist eine Lösung für das Management, die Konfiguration und den Betrieb virtueller Maschinen auf Servern. Xen ist ein Virtueller-Maschinen-Monitor (VMM), der Hardware (x86, IA-64, PowerPC) für die darauf laufenden Systeme (Domains) paravirtualisiert.
EPSS 0.13% · 3.0th percentile
Risk Scores
EPSS Score
0.13%
3.0th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Open Source | Open Source Xen <4.18.x | |
| SUSE | SUSE openSUSE | |
| Fedora | Fedora Linux | |
| Citrix Systems | Citrix Systems XenServer 8.4 | |
| SUSE | SUSE Linux |
Timeline
- Jan 27, 2026 CVE Published
- Jan 27, 2026 PoC Published
- Jan 27, 2026 PoC Published
- Jan 27, 2026 PoC Published
- Jan 27, 2026 PoC Published
- Jan 28, 2026 PoC Published
- Jan 29, 2026 EPSS Score
- Jan 30, 2026 PoC Published
- Feb 1, 2026 EPSS Score
- Feb 3, 2026 EPSS Score
- Feb 6, 2026 EPSS Score
- Feb 8, 2026 EPSS Score
References
- https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-0229.json advisory
- https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-0229 advisory
- https://xenbits.xen.org/xsa/advisory-479.html advisory
- https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX695997&articleURL=XenServer_Security_Update_for_CVE_2025_58151_and_CVE_2026_23553 advisory
- https://lists.suse.com/pipermail/sle-security-updates/2026-January/023931.html advisory
- https://lists.suse.com/pipermail/sle-security-updates/2026-January/023930.html advisory
- https://lists.suse.com/pipermail/sle-security-updates/2026-January/023928.html advisory
- https://lists.suse.com/pipermail/sle-security-updates/2026-January/023973.html advisory
- https://lists.suse.com/pipermail/sle-security-updates/2026-January/023972.html advisory
- https://bodhi.fedoraproject.org/updates/FEDORA-2026-844012d662 advisory
- https://bodhi.fedoraproject.org/updates/FEDORA-2026-e39149a8a0 advisory
- https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/WQZCDTMT7MG7RKQWPEEIEACMFDQB74GR/ advisory
- https://lists.suse.com/pipermail/sle-security-updates/2026-February/024075.html advisory