What is CVE-2021-35098?

CVE-2021-35098 is a medium-severity vulnerability in Qualcomm Apq8053, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 6.7/10. Published 2022-06-14.

How severe is CVE-2021-35098?

Medium severity. CVSS v3 base score is 6.7 out of 10.

Buffer overflow in Qualcomm Apq8053

CVE-2021-35098

Improper validation of session id in PCM routing process can lead to memory corruption in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables

Vulnerability class: Buffer Overflow

Published 2022-06-14 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.7 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.002 (3.6th percentile), scored 2026-10-03.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 4th percentile — 3.6% 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-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

References

www.qualcomm.com/company/product-security/bulletins/may-2022-bulletin (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2021-35098?: CVE-2021-35098 is a medium-severity vulnerability in Qualcomm Apq8053, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 6.7/10. Published 2022-06-14.
How severe is CVE-2021-35098?: Medium severity. CVSS v3 base score is 6.7 out of 10.