CVE-2026-64608

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.

CVSS v3 9.8 CRITICAL

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://lists.apache.org/thread/wl05slf57zzoq1s4pg4tk6nx6mjyjr4b
http://www.openwall.com/lists/oss-security/2026/07/21/5

Configurations

No configuration.

History

21 Jul 2026, 19:17

Type	Values Removed	Values Added
References		() http://www.openwall.com/lists/oss-security/2026/07/21/5 -

21 Jul 2026, 14:16

Type	Values Removed	Values Added
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 9.8

21 Jul 2026, 10:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-07-21 10:16

Updated : 2026-07-21 19:17

NVD link : CVE-2026-64608

Mitre link : CVE-2026-64608

CVE.ORG link : CVE-2026-64608

JSON object : View

Products Affected

No product.

CWE

CWE-502

Deserialization of Untrusted Data

CWE-787

Out-of-bounds Write

CWE-843

Access of Resource Using Incompatible Type ('Type Confusion')

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