Out-of-bounds Read Affecting riot-os/riot package, versions [,2026.01-RC3)
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-15245000
- published6 Feb 2026
- disclosed4 Feb 2026
- creditpamusuo
Introduced: 4 Feb 2026
CVE-2026-25139 (opens in a new tab)How to fix?
Upgrade riot-os/riot to version 2026.01-RC3 or higher.
Overview
Affected versions of this package are vulnerable to Out-of-bounds Read in the gnrc_sixlowpan_frag_sfr(). An attacker can read adjacent memory locations or cause a device crash by sending specially crafted packets.