CVE-2026-54413EPSS p52.2%
CVE-2026-54413CVE-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.
Scoring
| CVSS | 8.2 () |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H |
| EPSS | 0.72% probability of exploitation · percentile 52.2% · 2026-10-05T12:00:23Z |
| Last modified | 2026-08-10 |