Memory Corruption when retrieving output buffer with insufficient size validation.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation none

Automatable no

Technical Impact total

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Qualcomm, Inc. Snapdragon unaffected
Version Status Constraints
AQT1000 affected —
Cologne affected —
FastConnect 6200 affected —
FastConnect 6700 affected —
FastConnect 6800 affected —
FastConnect 6900 affected —
FastConnect 7800 affected —
QCA0000 affected —
QCA6391 affected —
QCA6420 affected —
QCA6430 affected —
QCM5430 affected —
QCM6490 affected —
Qualcomm Video Collaboration VC3 Platform affected —
SC8380XP affected —
SM6250 affected —
Snapdragon 460 Mobile Platform affected —
Snapdragon 662 Mobile Platform affected —
Snapdragon 7c Compute Platform affected —
Snapdragon 7c Gen 2 Compute Platform "Rennell Pro" affected —
Snapdragon 7c+ Gen 3 Compute affected —
Snapdragon 8c Compute Platform "Poipu Lite" affected —
Snapdragon 8c Compute Platform (SC8180XP-AD) "Poipu Lite" affected —
Snapdragon 8cx Compute Platform affected —
Snapdragon 8cx Compute Platform "Poipu Pro" affected —
Snapdragon 8cx Gen 2 5G Compute Platform affected —
Snapdragon 8cx Gen 2 5G Compute Platform "Poipu Pro" affected —
Snapdragon 8cx Gen 3 Compute Platform affected —
WCD9340 affected —
WCD9341 affected —
WCD9370 affected —
WCD9375 affected —
WCD9378C affected —
WCD9380 affected —
WCD9385 affected —
WCN3950 affected —
WCN3988 affected —
WSA8810 affected —
WSA8815 affected —
WSA8830 affected —
WSA8835 affected —
WSA8840 affected —
WSA8845 affected —
WSA8845H affected —
X2000077 affected —
X2000086 affected —
X2000090 affected —
X2000092 affected —
X2000094 affected —
XG101002 affected —
XG101032 affected —
XG101039 affected —

No data.

No data.

OpenCVE Enrichment is a feature of OpenCVE that uses AI to automatically link vendors and products to CVEs. Learn more on GitHub.

Vendors Products
Qualcomm Subscribe
Snapdragon Subscribe

Project Subscriptions

Vendors Products
Qualcomm Subscribe
Snapdragon Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://docs.qualcomm.com/product/publicresources/securitybulletin/april-2026-bulletin.html cve-icon cve-icon
History

Tue, 07 Apr 2026 00:00:00 +0000

Type Values Removed Values Added
First Time appeared Qualcomm
Qualcomm snapdragon
Vendors & Products Qualcomm
Qualcomm snapdragon

Mon, 06 Apr 2026 18:00:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Mon, 06 Apr 2026 16:45:00 +0000

Type Values Removed Values Added
Description Memory Corruption when retrieving output buffer with insufficient size validation.
Title Buffer Over-read in WinBlast Driver
Weaknesses CWE-126
References
Metrics cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: qualcomm

Published:

Updated: 2026-04-07T03:55:48.143Z

Reserved: 2025-12-17T04:35:45.742Z

Link: CVE-2026-21371

cve-icon Vulnrichment

Updated: 2026-04-06T16:21:18.121Z

cve-icon NVD

Status : Received

Published: 2026-04-06T16:16:29.563

Modified: 2026-04-06T16:16:29.563

Link: CVE-2026-21371

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-04-06T21:32:04Z

Weaknesses