CVE-2026-64609 Apache Fory, Apache Fory: Out-of-Bounds Read via sun.misc.Unsafe in zero-copy java deserialization

Out-of-bounds read via sun.misc.Unsafe in Apache Fory. When out-of-band zero-copy deserialization is used, readAlignedVarUint can read beyond the bounds of the underlying buffer. Out-of-band zero-copy deserialization is an opt-in feature; applications that do not use it are not affected. This iss...

CVE-2026-64609

Apache Fory (formerly Apache Fury) is vulnerable to an out-of-bounds read via sun.misc.Unsafe in the readAlignedVarUint() function. This occurs when the out-of-band zero-copy deserialization feature is enabled, potentially allowing an attacker to access sensitive information or cause an applicati...