What is CVE-2026-21379?

CVE-2026-21379 is a high-severity vulnerability in Qualcomm, Inc. Snapdragon, classified under Buffer Over-read. CVSS score: 7.8/10. Published 2026-07-06.

How severe is CVE-2026-21379?

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

Vulnerability in Qualcomm, Inc. Snapdragon

CVE-2026-21379

Memory Corruption when allocating memory with sizes that exceed the maximum allowed value.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Qualcomm, Inc. Snapdragon — versions AQT1000, Cologne, FastConnect 6200

Weakness classification (CWE)

CWE-126 — Buffer Over-read

References

product-security@qualcomm.com

Frequently asked questions

What is CVE-2026-21379?: CVE-2026-21379 is a high-severity vulnerability in Qualcomm, Inc. Snapdragon, classified under Buffer Over-read. CVSS score: 7.8/10. Published 2026-07-06.
How severe is CVE-2026-21379?: High severity. CVSS v3 base score is 7.8 out of 10.