CVE-2026-54413

driftregion iso14229 up to 0.9.0 has an integer underflow in Handle_0x27_SecurityAccess() that enables a remote unauthenticated attacker to crash a UDS server and possibly read memory beyond the receive buffer by sending a 0x27 SecurityAccess request after a prior well-formed 0x27 message. The co...

CVE-2026-54413 iso14229 Integer Underflow and Out-of-Bounds Read in Handle_0x27_SecurityAccess()

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...