CVE-2026-74238 TIER IV Nebula 1.2.0 Heap Out-of-Bounds Read via VLP32 UDP Decoder

TIER IV Nebula through 1.2.0 contains an out-of-bounds read vulnerability in the Vlp32Decoder::unpack function that allows unauthenticated remote attackers to cause the decoder to read past the end of a received UDP buffer into adjacent heap memory by sending a short UDP datagram. Attackers can...

CVE-2026-74238

TIER IV Nebula through 1.2.0's Vlp32Decoder::unpack() reads past UDP buffer bounds when a short datagram is sent to the Velodyne port, which lacks sender-address restrictions, leaking heap memory into fabricated PointCloud2 messages consumed by Autoware nodes. No in-the-wild exploitation is docum...