CVE-2021-27439
Published: 03 May 2022
Summary
CVE-2021-27439 is a high-severity Integer Overflow or Wraparound (CWE-190) vulnerability in Tencent Tencentos-Tiny. Its CVSS base score is 7.3 (High).
Operationally, ranked in the top 21.9% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2021-14193
Vulnerability details
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…
more
injection/execution.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.