CVE-2023-50927

Contiki-NG is an open-source, cross-platform operating system for Next-Generation IoT devices. An attacker can trigger out-of-bounds reads in the RPL-Lite implementation of the RPL protocol in the Contiki-NG operating system. This vulnerability is caused by insufficient control of the lengths for DIO and DAO messages, in particular when they contain RPL sub-option headers. The problem has been patched in Contiki-NG 4.9. Users are advised to upgrade. Users unable to upgrade should manually apply the code changes in PR #2484.

• CWE-125
• CWE-125

• https://github.com/contiki-ng/contiki-ng/pull/2484Issue Tracking
• https://github.com/contiki-ng/contiki-ng/security/advisories/GHSA-9423-rgj4-wjfwVendor Advisory
• https://github.com/contiki-ng/contiki-ng/pull/2484Issue Tracking
• https://github.com/contiki-ng/contiki-ng/security/advisories/GHSA-9423-rgj4-wjfwVendor Advisory

Published

Feb 14, 2024

Last Modified

Jun 17, 2026

Status

Analyzed

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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