CVE-2026-40454

Apache IoTDB C++ client: Out-of-bounds reads in C++ client TsBlock deserializer crash client process on malformed server data

State: Published
Severity: 7.5 High
Published: Jul 10, 2026
Updated: Jul 10, 2026
Reserved: Apr 13, 2026

Read the record on cve.org

Description

Out-of-bounds Read, Improper Input Validation vulnerability in Apache IoTDB C++ client. Out-of-bounds reads in IoTDB C++ client TsBlock deserializer crash client process on malformed server data.

This issue affects Apache IoTDB C++ client: from 1.3.5 before 1.3.8, from 2.0.5 before 2.0.10.

Users are recommended to upgrade to version 2.0.10, which fixes the issue.

Scores

CVSS	Score	Vector	Source
3.1	7.5 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	CISA-ADP

Weaknesses

CWE-125 Out-of-bounds Read
CWE-20 Improper Input Validation

Affected Products

Product	Versions
Apache IoTDB C++ clientApache Software Foundation	1.3.5 to before 1.3.8Affected 2.0.5 to before 2.0.10Affected

References

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