CVE-2021-27439 (GCVE-0-2021-27439)
Vulnerability from cvelistv5 – Published: 2022-05-03 20:26 – Updated: 2025-04-16 16:24
VLAI
EPSS
VEX
Title
TencentOS-tiny Integer Overflow or Wraparound
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.
Severity
7.3 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-04-16 15:56 UTC
CWE
- CWE-190 - Integer Overflow or Wraparound
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.cisa.gov/uscert/ics/advisories/icsa-2… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| TencentOS-tiny | TencentOS-tiny |
Affected:
3.1.0
|
guessed |
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