PT-2026-77297 · Amazon · Ion-Java
CVE-2026-75936
·
Published
2026-08-18
·
Updated
2026-08-18
CVSS v4.0
8.7
High
| Vector | AV: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-java versions prior to 1.12.0
Description
Improper handling of highly compressed data in the GZIP auto-decompression handler allows remote actors to cause a denial of service. This occurs when a crafted compressed Ion document expands to an arbitrarily large size upon decompression, leading to memory amplification.
Recommendations
Upgrade to version 1.12.0.
Configure
withGzipDecompressionEnabled(false) when parsing untrusted input.
Set an explicit withMaximumBufferSize() when parsing untrusted input.Exploit
Fix
DoS
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Weakness Enumeration
Related Identifiers
Affected Products
Ion-Java