CVE-2026-7598
A security vulnerability has been detected in libssh2 up to 1.11.1. The impacted element is the function userauth_password of the file src/userauth.c. Such manipulation of the argument username_len/password_len leads to integer overflow. The attack may be launched remotely. The name of the patch is 256d04b60d80bf1190e96b0ad1e91b2174d744b1. A patch should be applied to remediate this issue.
Ver en NVDAnálisis
libssh2 is a critical library for SSH client functionality used by major tools like curl and many backend language bindings. An integer overflow in the authentication logic that is remotely triggerable represents a significant risk to automated infrastructure and developer workflows.
Severidad
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:LCWE-189CWE-190EPSS
Afecta
libssh2:libssh2Descripción técnica
A security vulnerability has been detected in libssh2 up to 1.11.1. The impacted element is the function userauth_password of the file src/userauth.c. Such manipulation of the argument username_len/password_len leads to integer overflow. The attack may be launched remotely. The name of the patch is 256d04b60d80bf1190e96b0ad1e91b2174d744b1. A patch should be applied to remediate this issue.