Security Advisory
CVE-2026-84851
7.5
HIGH
Vulnerability Description
An uncontrolled recursion issue exists in Amazon Ion-C versions before 1.1.6 that might allow a remote unauthenticated actor to craft Ion data that exhausts the native call stack and crashes the application using the library, resulting in a denial of service.
Published Date
September 3, 2026
Official Source
NIST NVD Advisory