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Vulnerability record · CVE-2021-30306 · published 20 October 2021

CVE-2021-30306: Qualcomm apq8053 firmware out-of-bounds read vulnerability

Qualcomm · Apq8053 Firmware

Possible buffer over read due to improper buffer allocation for file length passed from user space in Snapdragon Auto, Snapdragon Connectivity, Snapdragon Industrial IOT, Snapdragon Mobile

7.1 CVSS 3.1 High EPSS 0.15% · top 96.4% CWE-125 · Out-of-bounds read
7.1CVSS 3.1 base score, v2 3.6
0.15%EPSS exploitation probability, 30 days
NoNot in CISA KEV
65Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

Possible buffer over read due to improper buffer allocation for file length passed from user space in Snapdragon Auto, Snapdragon Connectivity, Snapdragon Industrial IOT, Snapdragon Mobile

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

Affected products

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

References

LinkTags
https://www.qualcomm.com/company/product-security/bulletins/october-2021-bulletin PatchVendor Advisory
https://www.qualcomm.com/company/product-security/bulletins/october-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-2021-30306), CISA KEV, FIRST EPSS (scores of 2026-10-05). This page is refreshed as NVD updates the record.