CVE-2026-84851
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 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-84851?
- CVE-2026-84851 is a high-severity vulnerability, classified under Uncontrolled Recursion. CVSS score: 7.5/10. Published 2026-09-03.
- How severe is CVE-2026-84851?
- High severity. CVSS v3 base score is 7.5 out of 10.