What is CVE-2017-9607?

CVE-2017-9607 is a high-severity vulnerability in Arm Arm-Trusted-Firmware, classified under Integer Overflow or Wraparound. CVSS score: 7.0/10. Published 2017-09-20.

How severe is CVE-2017-9607?

High severity. CVSS v3 base score is 7.0 out of 10.

Integer overflow in Arm Arm-Trusted-Firmware

CVE-2017-9607

The BL1 FWU SMC handling code in ARM Trusted Firmware before 1.4 might allow attackers to write arbitrary data to secure memory, bypass the bl1_plat_mem_check protection mechanism, cause a denial of service, or possibly have unspecified other impact via a crafted AArch32 image, which triggers an integer overflow.

Vulnerability class: Integer Overflow

Published 2017-09-20 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.0 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.008 (55.9th percentile), scored 2026-10-24.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 56th percentile — 55.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-190 — Integer Overflow or Wraparound

References

github.com/ARM-software/arm-trusted-firmware/blob/v1.4/docs/change-log.rst (Patch, Third Party Advisory, Release Notes, Issue Tracking)
github.com/ARM-software/arm-trusted-firmware/wiki/ARM-Trusted-Firmware-Security… (Patch, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2017-9607?: CVE-2017-9607 is a high-severity vulnerability in Arm Arm-Trusted-Firmware, classified under Integer Overflow or Wraparound. CVSS score: 7.0/10. Published 2017-09-20.
How severe is CVE-2017-9607?: High severity. CVSS v3 base score is 7.0 out of 10.