CVE-2026-104421

Katalog CVE

CVSS 5.3 · Medium EPSS 0,30%

Kerentanan Incomplete Cleanup. Skor CVSS 3.1 5.3 (Medium) menurut vulncheck.com.

Deskripsi (NVD)

Zebra before 6.2.1 contains an incomplete cleanup vulnerability that allows unauthenticated peers to block downloading of valid blocks by leaving rejected hashes in SentHashes. Attackers can send a contextually invalid block sharing an honest block's header hash, causing Request::KnownBlock to skip the honest block and keep nodes behind the tip.

Rincian

Terbit di NVD

2 Oktober 2026

Terakhir diubah

2 Oktober 2026

Status NVD

Deferred

CVSS 3.1

5.3 (Medium), sumber vulncheck.com
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-459: Incomplete Cleanup

EPSS (30 hari)

0,30% peluang dieksploitasi; lebih tinggi dari 21,4% CVE lain

Produk dan versi terdampak

NVD belum mencantumkan data produk (CPE) untuk CVE ini. Produk yang terdampak biasanya disebut di deskripsi dan di advisory vendor pada daftar referensi.

Referensi dan perbaikan

• https://github.com/ZcashFoundation/zebra/security/advisories/GHSA-x93j-mj2f-q338
• https://www.vulncheck.com/advisories/zebra-before-6.2.1-block-download-denial-of-service-via-knownblock-sentha...