EUVD-2026-19321

| CVE-2026-21371 HIGH
2026-04-06 qualcomm GHSA-hfh3-pr7q-frpw
7.8
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

3
Analysis Generated
Apr 06, 2026 - 16:00 vuln.today
EUVD ID Assigned
Apr 06, 2026 - 16:00 euvd
EUVD-2026-19321
CVE Published
Apr 06, 2026 - 15:33 nvd
HIGH 7.8

Tags

Buffer Overflow

Description

Memory Corruption when retrieving output buffer with insufficient size validation.

Analysis

Memory corruption in Qualcomm Snapdragon components allows local authenticated attackers to execute arbitrary code with high privileges. A buffer overflow vulnerability (CWE-126) occurs during output buffer retrieval due to insufficient size validation, enabling complete system compromise with high confidentiality, integrity, and availability impact. …

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Remediation

24 hours: Inventory all Snapdragon-powered devices across the organization (phones, tablets, IoT devices) and document current firmware/OS versions. 7 days: Contact Qualcomm and device manufacturers for patch timeline information; disable sideloading on all corporate devices if supported by mobile device management (MDM); restrict application installation to managed app catalogs only. …

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Priority Score

39
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +39
POC: 0

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EUVD-2026-19321 vulnerability details – vuln.today
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