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CVE-2026-21375— Buffer Over-read in Camera

Quick assessment

Affected
Qualcomm, Inc. Snapdragon
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Qualcomm Chipsets是美国高通（Qualcomm）公司的一系列芯片组。 Qualcomm Chipsets存在安全漏洞，该漏洞源于在IOCTL处理期间访问输出缓冲区时未验证其大小，可能导致内存损坏。

CVSS 7.8 · High EPSS 0.07% · P0

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-21375

Vulnerability Information
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Vulnerability Title
Buffer Over-read in Camera
Source: CVE Program / CVE List V5
Vulnerability Description
Memory Corruption when accessing an output buffer without validating its size during IOCTL processing.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
缓冲区上溢读取
Source: CVE Program / CVE List V5
Vulnerability Title
Qualcomm Chipsets 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Qualcomm Chipsets是美国高通（Qualcomm）公司的一系列芯片组。 Qualcomm Chipsets存在安全漏洞，该漏洞源于在IOCTL处理期间访问输出缓冲区时未验证其大小，可能导致内存损坏。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Qualcomm, Inc. Snapdragon Cologne -

II. Public POCs for CVE-2026-21375

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III. Intelligence Information for CVE-2026-21375

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Same Patch Batch · Qualcomm, Inc. · 2026-04-06 · 17 CVEs total

CVE-2025-47392 8.8 HIGH Integer Overflow or Wraparound in GPS
CVE-2025-47389 7.8 HIGH Buffer Copy Without Checking Size of Input in Automotive Platform
CVE-2025-47390 7.8 HIGH Buffer Over-read in Camera
CVE-2025-47391 7.8 HIGH Stack-based Buffer Overflow in Camera Driver
CVE-2026-21371 7.8 HIGH Buffer Over-read in WinBlast Driver
CVE-2026-21372 7.8 HIGH Heap-Based Buffer Overflow in Power Management IC
CVE-2026-21373 7.8 HIGH Buffer Over-read in Camera
CVE-2026-21374 7.8 HIGH Buffer Over-read in Camera
CVE-2026-21376 7.8 HIGH Buffer Over-read in Camera
CVE-2026-21378 7.8 HIGH Buffer Over-read in Camera
CVE-2026-21380 7.8 HIGH Use After Free in DSP Service
CVE-2026-21382 7.8 HIGH Buffer Copy Without Checking Size of Input in Power Management IC
CVE-2026-21367 7.6 HIGH Buffer Over-read in WLAN Firmware
CVE-2026-21381 7.6 HIGH Buffer Over-read in WLAN Firmware
CVE-2025-47400 7.1 HIGH Buffer Over-read in Computer Vision
CVE-2025-47374 6.5 MEDIUM Use After Free in Camera Driver

IV. Related Vulnerabilities

Same product: Snapdragon
Same vendor: Qualcomm, Inc.
Same weakness: CWE-126

V. Comments for CVE-2026-21375

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