Memory Allocation with Excessive Size Value Affecting nasa/CryptoLib package, versions [,1.4.3)


Severity

Recommended
0.0
high
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

Exploit Maturity
Proof of Concept
EPSS
0.55% (43rd percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-UNMANAGED-NASACRYPTOLIB-14912425
  • published10 Jan 2026
  • disclosed10 Jan 2026
  • creditUnknown

Introduced: 10 Jan 2026

CVE-2026-22026  (opens in a new tab)
CWE-789  (opens in a new tab)

How to fix?

Upgrade nasa/CryptoLib to version 1.4.3 or higher.

Overview

Affected versions of this package are vulnerable to Memory Allocation with Excessive Size Value via the write_callback function. An attacker can cause excessive memory consumption by sending arbitrarily large HTTP responses from a malicious server.

CVSS Base Scores

version 4.0
version 3.1