A missing validation check in FreeRTOS-Plus-TCPs IPv6 packet processing code can lead to an out-of-bounds read when receiving a IPv6 packet with incorrect payload lengths in the packet header. This issue only affects applications using IPv6.
We recommend users upgrade to the latest version and ensure any forked or derivative code is patched to incorporate the new fixes.
The product reads from a buffer using buffer access mechanisms such as indexes or pointers that reference memory locations after the targeted buffer.