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VULNERABILITIES

CVE-2026-84851 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: AMZNCVSS-B:7.5 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://aws.amazon.com/security/security-bulletins/2026-094-aws/ AMZN
https://github.com/amazon-ion/ion-c/releases/tag/v1.1.6 AMZN
https://github.com/amazon-ion/ion-c/security/advisories/GHSA-9gfg-hgj4-gh44 AMZN

Weakness Enumeration

CWE-IDCWE NameSource
CWE-674Uncontrolled RecursionAMZN

Affected Products

No affected product data is available for this CVE.

Change History

2 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-84851
NVD Published Date:
Sep 3, 2026
NVD Last Modified:
Sep 3, 2026
Source:
AMZN
CVE-2026-84851 Details - Not Deferred