Logo
-

Byte Open Security

(ByteOS Network)

Log In

Sign Up

ByteOS

Security
Vulnerability Details
Registries
Custom Views
Weaknesses
Attack Patterns
Filters & Tools
CVE Vulnerability Details :
CVE-2026-42542
PUBLISHED
More InfoOfficial Page
Assigner-GitHub_M
Assigner Org ID-a0819718-46f1-4df5-94e2-005712e83aaa
View Known Exploited Vulnerability (KEV) details
Published At-10 Jun, 2026 | 20:32
Updated At-11 Jun, 2026 | 16:15
Rejected At-
▼CVE Numbering Authority (CNA)
TDengine has an integer underflow in uvConnMayGetUserInfo() allows unauthenticated remote crash (DoS)

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.

Affected Products
Vendor
taosdata
Product
TDengine
Versions
Affected
  • >= 3.4.0.0, < 3.4.1.6
Problem Types
TypeCWE IDDescription
CWECWE-191CWE-191: Integer Underflow (Wrap or Wraparound)
Type: CWE
CWE ID: CWE-191
Description: CWE-191: Integer Underflow (Wrap or Wraparound)
Metrics
VersionBase scoreBase severityVector
3.17.5HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Version: 3.1
Base score: 7.5
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://github.com/taosdata/TDengine/security/advisories/GHSA-vg95-j2hf-hvjx
x_refsource_CONFIRM
https://github.com/taosdata/TDengine/releases/tag/ver-3.4.1.6
x_refsource_MISC
Hyperlink: https://github.com/taosdata/TDengine/security/advisories/GHSA-vg95-j2hf-hvjx
Resource:
x_refsource_CONFIRM
Hyperlink: https://github.com/taosdata/TDengine/releases/tag/ver-3.4.1.6
Resource:
x_refsource_MISC
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Details not found