{"schema_version": "1.6.1", "id": "CVE-2026-40454", "summary": "Out-of-bounds reads in C++ client TsBlock deserializer crash client process on malformed server data", "details": "Out-of-bounds Read, Improper Input Validation vulnerability in Apache IoTDB C++ client.\nOut-of-bounds reads in IoTDB C++ client TsBlock deserializer crash client\nprocess on malformed server data.\n\n\nThis issue affects Apache IoTDB C++ client: from 1.3.5 before 1.3.8, from 2.0.5 before 2.0.10.\n\nUsers are recommended to upgrade to version 2.0.10, which fixes the issue.", "affected": [{"ranges": [{"type": "SEMVER", "events": [{"introduced": "1.3.5"}, {"fixed": "1.3.8"}]}, {"type": "SEMVER", "events": [{"introduced": "2.0.5"}, {"fixed": "2.0.10"}]}]}], "references": [{"type": "WEB", "url": "https://lists.apache.org/thread/9wml325g6bpovw0jf5ymtc3xl7fwlkrn"}]}