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Vulnerability record · CVE-2021-1891 · published 7 May 2021

CVE-2021-1891: Qualcomm apq8009w firmware use after free vulnerability

Qualcomm · Apq8009w Firmware

A possible use-after-free occurrence in audio driver can happen when pointers are not properly handled in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables, Snapdragon Wired Infrastructure and Networking

7.8 CVSS 3.1 High EPSS 0.15% · top 96.5% CWE-416 · Use after free
7.8CVSS 3.1 base score, v2 4.6
0.15%EPSS exploitation probability, 30 days
NoNot in CISA KEV
150Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

A possible use-after-free occurrence in audio driver can happen when pointers are not properly handled in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables, Snapdragon Wired Infrastructure and Networking

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

150 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://www.qualcomm.com/company/product-security/bulletins/may-2021-bulletin PatchVendor Advisory
https://www.qualcomm.com/company/product-security/bulletins/may-2021-bulletin PatchVendor Advisory

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2021-1891), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.