Memory Allocation with Excessive Size Value Affecting libssh package, versions [0,]


Severity

Recommended
0.0
high
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.51% (41st percentile)

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  • Snyk IDSNYK-CONAN-LIBSSH-18305733
  • published25 Jul 2026
  • disclosed21 Jul 2026
  • creditUnknown

Introduced: 21 Jul 2026

NewCVE-2026-59844  (opens in a new tab)
CWE-789  (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 Memory Allocation with Excessive Size Value via the SFTP read process. An attacker can cause excessive memory allocation and exhaust system resources by sending repeated requests with arbitrarily large lengths.

CVSS Base Scores

version 4.0
version 3.1