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CVE PROGRAM SOURCE RECORD8.7 High

CVE-2026-104020

Uncontrolled recursion in the Ion reader in Amazon Ion Python

Description

Uncontrolled recursion in the Ion reader in Amazon Ion Python before 0.15.0 might allow a remote unauthenticated actor to crash the application using the library, resulting in a denial of service, via a crafted, deeply nested Ion value. To remediate this issue, users should upgrade to version 0.15.0 or later.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Amazon ion-python

Default version status: unaffected

  • 0 to < 0.15.0affected

References