CVE-2026-96280
CVSS 7.5 · YüksekNVD: Awaiting Analysis
Açıklama (NVD)
The OCI delta stream parser read sizes as guint64 but passed them to GLib I/O and allocation functions expecting gsize (32 bits on 32-bit systems), causing undersized allocations while subsequent operations use the original 64-bit size, leading to heap buffer overflows. An attacker controlling an OCI registry can craft a delta stream that triggers this during flatpak install/update, potentially achieving code execution on 32-bit systems.
Yayın: 28.09.2026 · Son değişiklik: 30.10.2026 · Zayıflık: CWE-197
CVSS 3.1 metrikleri
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
| Saldırı vektörü | Ağ (uzaktan) |
| Karmaşıklık | Yüksek |
| Gereken yetki | Yok |
| Kullanıcı etkileşimi | Gerekli |
| Kapsam | Değişmez |
| Gizlilik | Yüksek |
| Bütünlük | Yüksek |
| Erişilebilirlik | Yüksek |
Hesaplanan temel puan: 7.5. CVSS hesaplayıcıda incele
Referanslar
- https://access.redhat.com/errata/RHSA-2026:80497
- https://access.redhat.com/errata/RHSA-2026:80498
- https://access.redhat.com/errata/RHSA-2026:80687
- https://access.redhat.com/errata/RHSA-2026:89733
- https://access.redhat.com/errata/RHSA-2026:90364
- https://access.redhat.com/errata/RHSA-2026:92369
- https://access.redhat.com/security/cve/CVE-2026-96280
- https://bugzilla.redhat.com/show_bug.cgi?id=2539419
- https://github.com/flatpak/flatpak/security/advisories/GHSA-jr92-2v97-wgvc