What is CVE-2018-9516?

CVE-2018-9516 is a high-severity vulnerability in Google Android, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2018-11-06.

How severe is CVE-2018-9516?

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

Is CVE-2018-9516 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Google Android

CVE-2018-9516

In hid_debug_events_read of drivers/hid/hid-debug.c, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Product: Android Versions: Android kernel Android ID: A-71361580.

Vulnerability class: Buffer Overflow

Published 2018-11-06 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.004 (34.5th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 34th percentile — 34.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: +0.000

Affected products

Google Android
Google Inc. Android — versions Android kernel
Canonical Ubuntu Linux — versions 14.04, 16.04, 18.04
Debian Linux — versions 8.0, 9.0

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

Public proof-of-concept exploits

ARPSyndicate/cvemon

References

lists.debian.org/debian-lts-announce/2018/10/msg00003.html (mailing-list, Third Party Advisory)
usn.ubuntu.com/3871-5/ (vendor-advisory, Third Party Advisory)
usn.ubuntu.com/3871-4/ (vendor-advisory, Third Party Advisory)
source.android.com/security/bulletin/pixel/2018-09-01 (Patch, Vendor Advisory)
www.debian.org/security/2018/dsa-4308 (vendor-advisory, Third Party Advisory)
usn.ubuntu.com/3871-1/ (vendor-advisory, Third Party Advisory)
usn.ubuntu.com/3871-3/ (vendor-advisory, Third Party Advisory)
access.redhat.com/errata/RHSA-2019:2043 (vendor-advisory)
access.redhat.com/errata/RHSA-2019:2029 (vendor-advisory)

Frequently asked questions

What is CVE-2018-9516?: CVE-2018-9516 is a high-severity vulnerability in Google Android, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2018-11-06.
How severe is CVE-2018-9516?: High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2018-9516 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.