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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Amazon | ion-c | < 1.1.6 | 1.1.6 |
References
- https://github.com/amazon-ion/ion-c/releases/tag/v1.1.6 release-notes patch
- https://aws.amazon.com/security/security-bulletins/2026-094-aws/ vendor-advisory
- https://github.com/amazon-ion/ion-c/security/advisories/GHSA-9gfg-hgj4-gh44 release-notes