Description
Contiki-NG is an open-source, cross-platform operating system for internet of things devices. A buffer overflow vulnerability exists in Contiki-NG versions prior to 4.6. After establishing a TCP socket using the tcp-socket library, it is possible for the remote end to send a packet with a data offset that is unvalidated. The problem has been patched in Contiki-NG 4.6. Users can apply the patch for this vulnerability out-of-band as a workaround.
References (2)
Core 2
Core References
Patch, Third Party Advisory x_refsource_confirm
https://github.com/contiki-ng/contiki-ng/security/advisories/GHSA-mc42-fqfr-h9fp
Patch, Third Party Advisory x_refsource_misc
https://github.com/contiki-ng/contiki-ng/pull/1366
Scores
CVSS v3
7.0
EPSS
0.0044
EPSS Percentile
63.1%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H
Details
CWE
CWE-120
Status
published
Products (1)
contiki-ng/contiki-ng
< 4.6
Published
Jun 18, 2021
Tracked Since
Feb 18, 2026