Unrated severityNVD Advisory· Published May 3, 2022· Updated Apr 16, 2025
RIOT OS Integer Overflow or Wraparound
CVE-2021-27427
Description
RIOT OS version 2020.01.1 is vulnerable to integer wrap-around in its implementation of calloc function, which can lead to arbitrary memory allocation, resulting in unexpected behavior such as a crash or a remote code injection/execution.
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Affected products
2Patches
Vulnerability mechanics
References
1- www.cisa.gov/uscert/ics/advisories/icsa-21-119-04mitrex_refsource_CONFIRM
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