Stack-based Buffer Overflow Affecting riot-os/riot package, versions [0,2026.01-RC1)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UNMANAGED-RIOTOSRIOT-14915537
- published14 Jan 2026
- disclosed12 Jan 2026
- creditRon Edgerson
Introduced: 12 Jan 2026
CVE-2026-22214 (opens in a new tab)How to fix?
Upgrade riot-os/riot to version 2026.01-RC1 or higher.
Overview
Affected versions of this package are vulnerable to Stack-based Buffer Overflow due to missing bounds checking in the _handle_char function. An attacker can cause memory corruption and application crash by sending crafted serial or TCP-framed input that results in a write past the end of a fixed-size stack buffer.