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CVE-2026-64608

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

Published: Jul 21, 2026Updated: Jul 21, 2026 Sources: CVE List NVDCWE-502
9.8CRITICAL
NVD MITRE
EPSS Score
0.4%
Top 70.1%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available
Self-Check
Not available

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-502CWE-787CWE-843

Affected Products

Apache Software Foundation
oss-project·USaka apache foundation
Apache ForyOn-prem
Databases / cache-message-queue

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.
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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

4 techniques
Execution
Initial Access
Privilege Escalation
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References

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

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