What is CVE-2018-5917?

CVE-2018-5917 is a high-severity vulnerability in Qualcomm Msm8996au, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.8/10. Published 2018-11-28.

How severe is CVE-2018-5917?

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

Buffer overflow in Qualcomm Msm8996au

CVE-2018-5917

Possible buffer overflow in OEM crypto function due to improper input validation in Snapdragon Automobile, Snapdragon Mobile in versions MSM8996AU, SD 425, SD 430, SD 450, SD 625, SD 820, SD 820A, SD 835, SD 845, SD 850, SDA660, SDA845, SDX24, SXR1130.

Vulnerability class: Buffer Overflow

Published 2018-11-28 · 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: 0.003 (16.2th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 16th percentile — 16.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Weakness classification (CWE)

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

References

www.qualcomm.com/company/product-security/bulletins (Vendor Advisory)
www.securityfocus.com/bid/105838 (VDB Entry, Third Party Advisory, vdb-entry)

Frequently asked questions

What is CVE-2018-5917?: CVE-2018-5917 is a high-severity vulnerability in Qualcomm Msm8996au, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.8/10. Published 2018-11-28.
How severe is CVE-2018-5917?: High severity. CVSS v3 base score is 7.8 out of 10.