CVE-2026-74860
CVSS 8.5 · YüksekNVD: Awaiting Analysis
Açıklama (NVD)
A flaw was found in libxml2 with Python bindings enabled. A remote attacker could exploit this vulnerability by providing a specially crafted XML document containing a Document Type Definition (DTD) with enumerated attribute values. This triggers a double-free error in the SAX attributeDecl callback handler, where a string is freed twice. This flaw can lead to a denial of service (DoS) due to a reproducible crash in Python applications using the libxml2 SAX bindings.
Yayın: 08.09.2026 · Son değişiklik: 30.10.2026 · Zayıflık: CWE-763
CVSS 3.1 metrikleri
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
| Saldırı vektörü | Ağ (uzaktan) |
| Karmaşıklık | Yüksek |
| Gereken yetki | Düşük |
| Kullanıcı etkileşimi | Gerekmez |
| Kapsam | Değişir |
| Gizlilik | Yüksek |
| Bütünlük | Yüksek |
| Erişilebilirlik | Yüksek |
Hesaplanan temel puan: 8.5. CVSS hesaplayıcıda incele
Referanslar
- https://access.redhat.com/errata/RHSA-2026:64463
- https://access.redhat.com/errata/RHSA-2026:71585
- https://access.redhat.com/errata/RHSA-2026:71586
- https://access.redhat.com/errata/RHSA-2026:71641
- https://access.redhat.com/errata/RHSA-2026:72470
- https://access.redhat.com/errata/RHSA-2026:72475
- https://access.redhat.com/errata/RHSA-2026:72476
- https://access.redhat.com/errata/RHSA-2026:79357
- https://access.redhat.com/errata/RHSA-2026:82939
- https://access.redhat.com/errata/RHSA-2026:89750
- https://access.redhat.com/errata/RHSA-2026:89759
- https://access.redhat.com/errata/RHSA-2026:90309
- https://access.redhat.com/errata/RHSA-2026:91202
- https://access.redhat.com/errata/RHSA-2026:91204
- https://access.redhat.com/errata/RHSA-2026:91206
- https://access.redhat.com/errata/RHSA-2026:91207
- https://access.redhat.com/errata/RHSA-2026:91217
- https://access.redhat.com/errata/RHSA-2026:91218
- https://access.redhat.com/errata/RHSA-2026:91219
- https://access.redhat.com/errata/RHSA-2026:91224
- https://access.redhat.com/errata/RHSA-2026:91232
- https://access.redhat.com/errata/RHSA-2026:91233
- https://access.redhat.com/errata/RHSA-2026:91234
- https://access.redhat.com/errata/RHSA-2026:91235
- https://access.redhat.com/errata/RHSA-2026:91236