CVE-2026-84851
Uncontrolled recursion in the Ion reader in Amazon Ion-C before 1.1.6
CVSS Score
7.5
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-674 |
| Vendor | amazon |
| Product | ion-c |
| Published | Sep 2, 2026 |
| Last Updated | Sep 3, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Affected Versions
Amazon / ion-c
0 < 1.1.6