What is CVE-2016-3858?

CVE-2016-3858 is a high-severity vulnerability in Google Android, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.8/10. Published 2016-09-11.

How severe is CVE-2016-3858?

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

Buffer overflow in Google Android

CVE-2016-3858

Buffer overflow in drivers/soc/qcom/subsystem_restart.c in the Qualcomm subsystem driver in Android before 2016-09-05 on Nexus 5X and 6P devices allows attackers to gain privileges via a crafted application that provides a long string, aka Android internal bug 28675151 and Qualcomm internal bug CR1022641.

Vulnerability class: Buffer Overflow

Published 2016-09-11 · last modified 2026-06-17.

CVSS v3 metric

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

EPSS exploit prediction

EPSS: 0.005 (42.7th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 43rd percentile — 42.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Google Android

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

References

www.securityfocus.com/bid/92873 (vdb-entry)
source.codeaurora.org/quic/la/kernel/msm-3.10/commit/ (Patch, Issue Tracking)
source.android.com/security/bulletin/2016-09-01.html (Vendor Advisory)
www.securitytracker.com/id/1036763 (vdb-entry)

Frequently asked questions

What is CVE-2016-3858?: CVE-2016-3858 is a high-severity vulnerability in Google Android, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.8/10. Published 2016-09-11.
How severe is CVE-2016-3858?: High severity. CVSS v3 base score is 7.8 out of 10.