What is CVE-2018-9387?

CVE-2018-9387 is a high-severity vulnerability in Google Android, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.8/10. Published 2025-01-18.

How severe is CVE-2018-9387?

High severity. CVSS v3 base score is 7.8 out of 10.

Buffer overflow in Google Android

CVE-2018-9387

In multiple functions of mnh-sm.c, there is a possible way to trigger a heap overflow due to an integer overflow. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

Vulnerability class: Buffer Overflow

EPSS: 0.001 (1.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Google Android — versions Android Kernel

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

References

security@android.com (Vendor Advisory)

Frequently asked questions

What is CVE-2018-9387?: CVE-2018-9387 is a high-severity vulnerability in Google Android, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.8/10. Published 2025-01-18.
How severe is CVE-2018-9387?: High severity. CVSS v3 base score is 7.8 out of 10.