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Posted to announce@apache.org by Chaokun Yang <ch...@apache.org> on 2026/07/21 09:19:51 UTC

CVE-2026-64608: Apache Fory: Heap type confusion and out-of-bounds read/write in C++ compatible-mode field-skip paths

Severity: important 

Affected versions:

- Apache Fory 0.14.0 before 1.4.0

Description:

Heap type confusion and out-of-bounds read/write in the Apache Fory C++ implementation. When deserializing data in compatible mode, the field-skip paths do not correctly validate the declared field types against the actual data, so input with an inconsistent schema can cause type confusion and out-of-bounds memory access. Only the C++ implementation is affected; other language implementations of Apache Fory are not.

This issue affects Apache Fory C++: from 0.14.0 before 1.4.0.

Users are recommended to upgrade to version 1.4.0, which fixes the issue.

Credit:

Nguyen Van Hiep (@hypnguyen1209) from MBBank (reporter)

References:

https://fory.apache.org
https://www.cve.org/CVERecord?id=CVE-2026-64608