CVE-2026-54413: Integer Underflow (Wrap or Wraparound)

driftregion iso14229 through 0.9.0 contains an integer underflow and downstream out-of-bounds read in the Handle0x27SecurityAccess function in iso14229.c that allows a remote unauthenticated attacker to crash a UDS server and potentially read memory past the receive buffer by sending a single-byt...