CVE-2026-40454

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

Published Jul 10, 2026 CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Apache
Apache iotdb C++ Client
Vendors & Products Apache
Apache iotdb C++ Client
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title Apache IoTDB C++ client: Out-of-bounds reads in C++ client TsBlock deserializer crash client process on malformed server data
Weaknesses CWE-125
CWE-20
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
apache
Published
Updated
Jul 10, 2026, 2:55 PM
Reserved
Apr 13, 2026, 9:02 AM
Status
Deferred
Published
Jul 10, 2026, 8:16 AM
Modified
Oct 25, 2026, 3:10 PM