Security Advisory

CVE-2026-75935

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-08-18 19:33:46

Last updated 2026-08-19 13:06:29

Assigner AMZN

CVSS score 8.7

State PUBLISHED

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.

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