CVE-2021-27439 (GCVE-0-2021-27439)

Vulnerability from cvelistv5 – Published: 2022-05-03 20:26 – Updated: 2025-04-16 16:24
VLAI?
Summary
TencentOS-tiny version 3.1.0 is vulnerable to integer wrap-around in function 'tos_mmheap_alloc incorrect calculation of effective memory allocation size. This improper memory assignment can lead to arbitrary memory allocation, resulting in unexpected behavior such as a crash or a remote code injection/execution.
CWE
  • CWE-190 - Integer Overflow or Wraparound
Assigner
References
Impacted products
Credits
David Atch, Omri Ben Bassat, and Tamir Ariel from Microsoft Section 52, and the Azure Defender for IoT research group reported these vulnerabilities to CISA.
Show details on NVD website

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