Improper Validation of Specified Type of Input Affecting runfinch-finch package, versions <0:1.17.1-1.amzn2023.0.2


Severity

Recommended
high

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.33% (25th percentile)

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  • Snyk IDSNYK-AMZN2023-RUNFINCHFINCH-17290754
  • published10 Jun 2026
  • disclosed22 May 2026

Introduced: 22 May 2026

CVE-2026-46598  (opens in a new tab)
CWE-1287  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2023 runfinch-finch to version 0:1.17.1-1.amzn2023.0.2 or higher.
This issue was patched in ALAS2023-2026-1809.

NVD Description

Note: Versions mentioned in the description apply only to the upstream runfinch-finch package and not the runfinch-finch package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2023 relevant fixed versions and status.

For certain crafted inputs, a 'ed25519.PrivateKey' was created by casting malformed wire bytes, leading to a panic when used.

CVSS Base Scores

version 3.1