CVE-2026-42784
CVSS 7.4 · YüksekNVD: Awaiting Analysis
Açıklama (NVD)
A flaw was found in sequoia-openpgp. The library incorrectly infers key flags for older certificates when a key flags subpacket is missing, leading to a discrepancy in how key capabilities are viewed. This key flag confusion allows an attacker to bypass the back-signature check. Consequently, an attacker can illegitimately bind an arbitrary subkey to their own certificate and forge signatures, completely compromising cryptographic integrity.
Yayın: 16.09.2026 · Son değişiklik: 04.11.2026 · Zayıflık: CWE-347
CVSS 3.1 metrikleri
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N
| Saldırı vektörü | Ağ (uzaktan) |
| Karmaşıklık | Düşük |
| Gereken yetki | Yok |
| Kullanıcı etkileşimi | Gerekli |
| Kapsam | Değişir |
| Gizlilik | Yok |
| Bütünlük | Yüksek |
| Erişilebilirlik | Yok |
Hesaplanan temel puan: 7.4. CVSS hesaplayıcıda incele
Referanslar
- https://access.redhat.com/errata/RHSA-2026:34160
- https://access.redhat.com/errata/RHSA-2026:42078
- https://access.redhat.com/errata/RHSA-2026:42902
- https://access.redhat.com/errata/RHSA-2026:76733
- https://access.redhat.com/errata/RHSA-2026:76734
- https://access.redhat.com/errata/RHSA-2026:76735
- https://access.redhat.com/errata/RHSA-2026:76737
- https://access.redhat.com/errata/RHSA-2026:79357
- https://access.redhat.com/errata/RHSA-2026:94791
- https://access.redhat.com/security/cve/CVE-2026-42784
- https://bugzilla.redhat.com/show_bug.cgi?id=2464122