Incorrect Conversion between Numeric Types Affecting amazon-ssm-agent package, versions <0:3.3.4624.0-1.amzn2


Severity

Recommended
0.0
high
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.47% (39th percentile)

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  • Snyk IDSNYK-AMZN2-AMAZONSSMAGENT-18059903
  • published21 Jul 2026
  • disclosed22 May 2026

Introduced: 22 May 2026

CVE-2026-46597  (opens in a new tab)
CWE-681  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2 amazon-ssm-agent to version 0:3.3.4624.0-1.amzn2 or higher.
This issue was patched in ALAS2-2026-3809.

NVD Description

Note: Versions mentioned in the description apply only to the upstream amazon-ssm-agent package and not the amazon-ssm-agent package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2 relevant fixed versions and status.

An incorrectly placed cast from bytes to int allowed for server-side panic in the AES-GCM packet decoder for well-crafted inputs.

CVSS Base Scores

version 3.1