CyberICT

CVE-2026-66033

Microsoft · Published July 26, 2026

CVSS v3.1

HIGH
Patch availableGet patch

Description

libssh2 Integer Underflow DoS via AES-GCM Cipher Negotiation. libssh2 Integer Underflow DoS via AES-GCM Cipher Negotiation

Affected Products

  • azl3 libssh 0.10.6-8 on Azure Linux 3.0
  • azl3 libssh2 1.11.1-4 on Azure Linux 3.0

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H