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High severity7.3NVD Advisory· Published May 3, 2022· Updated Jun 17, 2026

CVE-2021-27427

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

3
  • Riot OS/Riotv53 versions
    2020.01.1+ 2 more
    • (no CPE)range: 2020.01.1
    • (no CPE)range: = 2020.01.1
    • cpe:2.3:o:riot-os:riot:2020.01.1:*:*:*:*:*:*:*

Patches

Vulnerability mechanics

References

1

News mentions

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