CVE-2026-40454

HIGH

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

Title source: cna
STIX 2.1

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.

References (2)

Core 2

Scores

CVSS v3 7.5
EPSS 0.0028
EPSS Percentile 19.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-125 CWE-20
Status published
Products (2)
Apache Software Foundation/Apache IoTDB C++ client 1.3.5 - 1.3.8
Apache Software Foundation/Apache IoTDB C++ client 2.0.5 - 2.0.10
Published Jul 10, 2026
Tracked Since Jul 10, 2026