CVE-2026-64609

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 issue affects Apache Fory (formerly Apache Fury): from 0.5.0 before 1.4.0. Versions before 0.11.0 were published under the Maven coordinates org.apache.fury:fury-core. Users are recommended to upgrade to version 1.4.0, which fixes the issue.

• CWE-125

• https://lists.apache.org/thread/rdv22ks3b0cxh0r52w3ghxgkxqso3f1bVendor Advisory
• http://www.openwall.com/lists/oss-security/2026/07/21/6Third Party Advisory

Published

Jul 21, 2026

Last Modified

Jul 27, 2026

Status

Analyzed

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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