Compiler Optimization Removal or Modification of Security-critical Code Affecting runfinch-finch package, versions <0:1.17.0-1.amzn2023.0.1


Severity

Recommended
medium

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.54% (41st percentile)

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  • Snyk IDSNYK-AMZN2023-RUNFINCHFINCH-16710302
  • published16 May 2026
  • disclosed8 Apr 2026

Introduced: 8 Apr 2026

CVE-2026-27143  (opens in a new tab)
CWE-733  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2023 runfinch-finch to version 0:1.17.0-1.amzn2023.0.1 or higher.
This issue was patched in ALAS2023-2026-1671.

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.

Arithmetic over induction variables in loops were not correctly checked for underflow or overflow. As a result, the compiler would allow for invalid indexing to occur at runtime, potentially leading to memory corruption.

CVSS Base Scores

version 3.1