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OpenAdvisories
High · 7.5 CVE-2026-40454 EUVD-2026-42839GHSA-74ph-cx7x-v56m

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

Published Jul 10, 2026 · Updated Jul 10, 2026 · Assigned by apache

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.

Affected products

VendorProductAffectedFixed
Apache Software Foundation Apache IoTDB C++ client 1.3.5 – < 1.3.8, 2.0.5 – < 2.0.10 1.3.8

References