Integer Overflow or Wraparound Affecting libssh2 package, versions [0,]


Severity

Recommended
0.0
medium
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.07% (21st percentile)

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  • Snyk IDSNYK-CONAN-LIBSSH2-16353391
  • published3 May 2026
  • disclosed1 May 2026
  • creditdapickle

Introduced: 1 May 2026

NewCVE-2026-7598  (opens in a new tab)
CWE-190  (opens in a new tab)

How to fix?

A fix was pushed into the master branch but not yet published.

Overview

Affected versions of this package are vulnerable to Integer Overflow or Wraparound via the userauth_password function in userauth.c. An attacker can cause memory corruption or potentially execute arbitrary code by sending specially crafted values for username_len or password_len remotely.

CVSS Base Scores

version 4.0
version 3.1