PT-2026-84881 · Amazon · Ion-C

CVE-2026-84851

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Published

2026-09-02

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Updated

2026-09-03

CVSS v4.0

8.7

High

VectorAV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Name of the Vulnerable Software and Affected Versions Amazon Ion-C versions prior to 1.1.6
Description An uncontrolled recursion issue allows a remote unauthenticated actor to craft Ion data that exhausts the native call stack. This leads to an application crash and a subsequent denial of service.
Recommendations Update Amazon Ion-C to version 1.1.6 or later.

Exploit

Fix

DoS

Uncontrolled Recursion

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Weakness Enumeration

Related Identifiers

CVE-2026-84851
GHSA-9GFG-HGJ4-GH44

Affected Products

Ion-C