CVE-2021-1967

Possible stack buffer overflow due to lack of check on the maximum number of post NAN discovery...

5.3 MediumFix available

Possible stack buffer overflow due to lack of check on the maximum number of post NAN discovery attributes while processing a NAN Match event in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables

Attack profile

How easy it is to exploit

Attack vector: Local
Complexity: Low
Privileges needed: Low
User interaction: None

What an attacker can affect

Confidentiality: Low
Integrity: Low
Availability: Low

Exploit likelihood

0.14%Down 0.3 points since Oct 20, 2021

What each source reports

CVE List Score used 5.3

Record: CVE-2021-1967
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Updated: 2026-11-02

EUVDEUVD-2021-7431 5.3

Record: EUVD-2021-7431
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Updated: 2026-11-03

GitHub AdvisoriesGHSA-536q-xj2f-hh45 No score

Possible stack buffer overflow due to lack of check on the maximum number of post NAN discovery...

Record: GHSA-536q-xj2f-hh45
Weakness: CWE-787
Updated: 2026-11-02

NVD 5.3

Record: CVE-2021-1967
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CVSS 2.0: 4.6 MediumAV:L/AC:L/Au:N/C:P/I:P/A:P
Weakness: CWE-787
Updated: 2026-11-02

Affected products

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Affected packages

Affected packages
Package	Affected	Fixed
`platform/hardware/qcom/wlan` Android	SoCVersion:0 up to SoCVersion:2021-10-05, plus listed versions SoCVersion	SoCVersion:2021-10-05

History

History
Recorded	Changed	Sources
Nov 5, 2026	facts	OSV
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2021-1967 is a medium vulnerability (CVSS 5.3) in Qualcomm, Inc. Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Iot, Snapdragon Industrial Iot, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables, published October 1, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.14%, the 3rd percentile. Fixed in platform/hardware/qcom/wlan SoCVersion:2021-10-05.