Amazon ion-java vulnerabilities
3 known CVE vulnerabilities in Amazon ion-java, translated and rated.
- CVE-2026-85786High
Amazon ion-java before 1.12.1 improperly handles highly compressed data, potentially allowing remote attackers to cause a denial of service via a crafted compressed Ion document that expands to an arbitrarily large size upon decompression due to insufficient coverage of the GZIP auto-decompression opt-out introduced for CVE-2026-75936.
- CVE-2026-75936High
Amazon ion-java before version 1.12.0 improperly handles highly compressed data in the GZIP auto-decompression handler, which may allow remote actors to cause a denial of service via a crafted compressed Ion document that expands to an arbitrarily large size upon decompression.
- CVE-2026-75935High
Amazon ion-java before version 1.12.0 has uncontrolled memory allocation in the binary Ion stream cursor, which may 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.