What is CVE-2021-30256?

CVE-2021-30256 is a high-severity vulnerability in Qualcomm Apq8017, classified under Out-of-bounds Write. CVSS score: 8.4/10. Published 2021-10-20.

How severe is CVE-2021-30256?

High severity. CVSS v3 base score is 8.4 out of 10.

Buffer overflow in Qualcomm Apq8017

CVE-2021-30256

Possible stack overflow due to improper validation of camera name length before copying the name in VR Service in Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT

Vulnerability class: Buffer Overflow

Published 2021-10-20 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.4 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.002 (4.8th percentile), scored 2026-10-03.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 5th percentile — 4.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

www.qualcomm.com/company/product-security/bulletins/october-2021-bulletin (Vendor Advisory)

Frequently asked questions

What is CVE-2021-30256?: CVE-2021-30256 is a high-severity vulnerability in Qualcomm Apq8017, classified under Out-of-bounds Write. CVSS score: 8.4/10. Published 2021-10-20.
How severe is CVE-2021-30256?: High severity. CVSS v3 base score is 8.4 out of 10.