high7.3
CVE-2021-27439
TencentOS-tiny version 3.1.0 is vulnerable to integer wrap-around in function 'tos_mmheap_alloc incorrect calculation of effective memory allocation size.
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Tencent | Tencentos-Tiny | Version 3.1.0 |