CVE-2026-54413

HighCVSS 8.2/10Last modified Aug 10, 2026

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.

Metrics

CVSS 3.1 8.2/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H

Weakness enumeration

CWE-125 CWE-191

Affected software

No affected versions have been published.

Timeline

Published: Jun 14, 2026
Last modified: Aug 10, 2026
NVD status: Deferred

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