Vulnerability 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.
CVSS Score
HIGH
Related Weaknesses (CWE)
References
- https://cwe.mitre.org/data/definitions/125.html
- https://cwe.mitre.org/data/definitions/191.html
- https://github.com/driftregion/iso14229
- https://github.com/driftregion/iso14229/blob/main/iso14229.c#L1447
FAQ
What is CVE-2026-54413?
CVE-2026-54413 is a vulnerability with a CVSS score of 8.2 (HIGH). 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 attacke...
How severe is CVE-2026-54413?
CVE-2026-54413 has been rated HIGH with a CVSS base score of 8.2/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-54413?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.