{"@context":"https://openvex.dev/ns/v0.2.0","@id":"https://database.harborguard.co/cve/CVE-2026-54413/vex.json","author":"HarborGuard Database","role":"Document Creator","timestamp":"2026-06-14T17:38:16.326Z","version":1,"tooling":"HarborGuard Database (https://database.harborguard.co)","statements":[{"vulnerability":{"name":"CVE-2026-54413","@id":"https://www.cve.org/CVERecord?id=CVE-2026-54413","description":"driftregion iso14229 through 0.9.0 contains an integer underflow and downstream out-of-bounds read in the Handle_0x27_SecurityAccess() 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-byte 0x27 SecurityAccess request that follows any earlier well-formed 0x27 message. The handler reads the SecurityAccess subFunction from recv_buf[1] without first checking that recv_len is at least 2, "},"products":[{"@id":"cpe:2.3:a:driftregion:iso14229:*:*:*:*:*:*:*:*","identifiers":{"cpe23":"cpe:2.3:a:driftregion:iso14229:*:*:*:*:*:*:*:*"}}],"status":"affected","action_statement":"No fixed version is published yet; monitor the upstream advisory.","timestamp":"2026-06-14T17:38:16.326Z"}]}