CVE-2026-75935

HighCVSS 7.5/10Last modified Oct 22, 2026

Description

Uncontrolled memory allocation in the binary Ion stream cursor in Amazon ion-java before 1.12.0 might allow remote actors to cause a denial of service via a crafted Ion binary document containing a declared-length field that causes excessive heap preallocation.

To remediate this issue, users should upgrade to version 1.12.0.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-789

Affected software

Source: the vendor's advisory (CNA). NVD analysis pending.

No affected versions have been published.

Timeline

Published: Aug 18, 2026
Last modified: Oct 22, 2026
NVD status: Awaiting Analysis

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