CVE-2026-84851

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.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://aws.amazon.com/security/security-bulletins/2026-094-aws/
https://github.com/amazon-ion/ion-c/releases/tag/v1.1.6
https://github.com/amazon-ion/ion-c/security/advisories/GHSA-9gfg-hgj4-gh44

Configurations

No configuration.

History

No history.

Information

Published : 2026-09-03 05:16

Updated : 2026-09-03 16:44

NVD link : CVE-2026-84851

Mitre link : CVE-2026-84851

CVE.ORG link : CVE-2026-84851

JSON object : View

Products Affected

No product.

CWE

CWE-674

Uncontrolled Recursion

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