CVE-2023-38502: medium-severity vulnerability in taosdata TDengine
TDengine Database Denial-of-Service
Published · Updated
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13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 6.5epss 0.7%
TDengine is an open source, time-series database optimized for Internet of Things devices. Prior to version 3.0.7.1, TDengine DataBase crashes on UDF nested query. This issue affects TDengine Databases which let users connect and run arbitrary queries. Version 3.0.7.1 has a patch for this issue.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected products
taosdata · TDengineRelated CVEs — taosdata TDengine
In the same product, most dangerous first.
CVE-2026-42542HIGHTDengine has an integer underflow in uvConnMayGetUserInfo() allows unauthenticated remote crash (DoS)EPSS 0.6%CVE-2026-62349HIGHTDengine: Off-by-One Buffer OverflowEPSS 0.5%CVE-2026-62350HIGHTDengine: UDF lead to RCEEPSS 0.5%CVE-2026-62351HIGHTDengine: Unauthenticated Remote Denial of Service via Out-of-Bounds Read in transDecompressMsgEPSS 0.4%CVE-2026-62353MEDIUMTDengine: Authenticated Out-of-Bounds Read in SQL Lexer tGetTokenEPSS 0.4%CVE-2026-62348MEDIUMTDengine: KILL SSMIGRATE missing authorization lets low-privilege users interrupt shared-storage migrationsEPSS 0.3%