CVE-2026-67192

Katalog CVE

CVSS 8.1 · High EPSS 1,0%

Kerentanan Stack-based Buffer Overflow. Skor CVSS 3.1 8.1 (High) menurut vulncheck.com.

Deskripsi (NVD)

Xlight FTP Server before 3.9.5 contains a pre-authentication stack buffer overflow vulnerability that allows unauthenticated attackers to corrupt stack memory by sending malformed SSH packets when a GCM cipher is negotiated. Attackers can craft packets with an unvalidated length field passed directly to the GCM decrypt function, overwriting the stack cookie and return address to potentially achieve remote code execution before any authentication occurs.

Rincian

Terbit di NVD

29 Juli 2026

Terakhir diubah

30 Juli 2026

Status NVD

Deferred

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-121: Stack-based Buffer Overflow

EPSS (30 hari)

1,0% peluang dieksploitasi; lebih tinggi dari 62,6% 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://www.vulncheck.com/advisories/xlight-ftp-server-pre-auth-stack-buffer-overflow-via-ssh-gcm-cipher
• https://www.xlightftpd.com/whatsnew.htm