Vulnerability CVE-2021-27439


Published: 2022-05-03

Description:
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.

Type:

CWE-190

(Integer Overflow or Wraparound)

 References:
https://www.cisa.gov/uscert/ics/advisories/icsa-21-119-04

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