cve/2021/CVE-2021-27697.md

### [CVE-2021-27697](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-27697)
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### Description

RIOT-OS 2021.01 contains a buffer overflow vulnerability in sys/net/gnrc/routing/rpl/gnrc_rpl_validation.c through the gnrc_rpl_validation_options() function.

### POC

#### Reference
- https://github.com/RIOT-OS/RIOT/issues/16062

#### Github
No PoCs found on GitHub currently.