CVE-2026-42542
- Source
- https://cve.org/CVERecord?id=CVE-2026-42542
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-42542.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2026-42542
- Aliases
-
- GHSA-vg95-j2hf-hvjx
- Published
- 2026-06-10T20:32:38Z
- Modified
- 2026-10-28T02:31:04Z
- Severity
-
- 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
- Summary
- TDengine has an integer underflow in uvConnMayGetUserInfo() allows unauthenticated remote crash (DoS)
- Details
-
TDengine is an open source, time-series database optimized for Internet of Things devices. In versions 3.4.0.0 through 3.4.1.5, an unauthenticated remote attacker can crash the taosd server process by sending a single crafted RPC packet. No credentials or prior session state are required. Version 3.4.1.6 fixes the issue.
- Database specific
{ "cna_assigner": "GitHub_M", "cwe_ids": [ "CWE-191" ], "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/42xxx/CVE-2026-42542.json" }- References
Affected packages
Git / github.com/taosdata/tdengine
Affected ranges
- Type
- GIT
- Repo
- https://github.com/taosdata/tdengine
- Events
- Database specific
-
Show details
{ "extracted_events": [ { "range": [ { "introduced": "3.4.0.0" }, { "fixed": "3.4.1.6" } ], "source": "AFFECTED_FIELD", "strategy": "StringRangeExpression" }, { "original_tag": "ver-3.4.1.6", "range": [ { "fixed": "003e8a5f102f6ee24ada79e087bdbbea1442ca88" } ], "source": "REFERENCES_TAG" }, { "cpe": "cpe:2.3:a:tdengine:tdengine:*:*:*:*:*:*:*:*", "range": [ { "introduced": "3.4.0.0" }, { "fixed": "3.4.1.6" } ], "source": "CPE_RANGE" } ] }