CVE-2026-21366 - Vulnerability Details - OpenCVE

Memory corruption while processing a packet with a size close to the maximum allowed value.

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

Vendors	Products
Qualcomm	Snapdragon

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	Snapdragon

References

Link	Providers
https://docs.qualcomm.com/product/publicresources/securitybulletin/august-2026-bulletin.html

History

Tue, 04 Aug 2026 17:30:00 +0000

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

Tue, 04 Aug 2026 16:30:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Tue, 04 Aug 2026 15:45:00 +0000

Type	Values Removed	Values Added
Description		Memory corruption while processing a packet with a size close to the maximum allowed value.
Title		Integer Overflow or Wraparound in Data Network Stack & Connectivity
Weaknesses		CWE-190
References		https://docs.qualcomm.com/product/publicresources/securitybulletin/august-2026-bulletin.html
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'}`

MITRE

Status: PUBLISHED

Assigner: qualcomm

Published: 2026-08-04T15:07:12.360Z

Updated: 2026-08-04T16:01:18.129Z

Reserved: 2025-12-17T04:35:45.741Z

Link: CVE-2026-21366

Vulnrichment

Updated: 2026-08-04T16:01:02.155Z

NVD

No data.

Redhat

No data.

OpenCVE Enrichment

Updated: 2026-08-04T17:15:02Z

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