CVE-2026-21378
Memory Corruption in Qualcomm Camera Driver via IOCTL Buffer Overflow
Publication date: 2026-04-06
Last updated on: 2026-04-08
Assigner: Qualcomm, Inc.
Description
Description
CVSS Scores
EPSS Scores
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| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| qualcomm | fastconnect_6900_firmware | * |
| qualcomm | fastconnect_7800_firmware | * |
| qualcomm | qca0000_firmware | * |
| qualcomm | qca6391_firmware | * |
| qualcomm | qca6420_firmware | * |
| qualcomm | qca6430_firmware | * |
| qualcomm | qcm5430_firmware | * |
| qualcomm | qcm6490_firmware | * |
| qualcomm | video_collaboration_vc3_platform_firmware | * |
| qualcomm | sc8380xp_firmware | * |
| qualcomm | sm6250_firmware | * |
| qualcomm | snapdragon_460_mobile_platform_firmware | * |
| qualcomm | snapdragon_662_mobile_platform_firmware | * |
| qualcomm | snapdragon_7c_compute_platform_firmware | * |
| qualcomm | snapdragon_7c_gen_2_compute_platform_firmware | * |
| qualcomm | snapdragon_7c+_gen_3_compute_firmware | * |
| qualcomm | snapdragon_8c_compute_platform_firmware | * |
| qualcomm | snapdragon_8cx_compute_platform_firmware | * |
| qualcomm | snapdragon_8cx_gen_2_5g_compute_platform_firmware | * |
| qualcomm | snapdragon_8cx_gen_3_compute_platform_firmware | * |
| qualcomm | snapdragon_ar1_gen_1_platform_firmware | * |
| qualcomm | wcd9340_firmware | * |
| qualcomm | wcd9341_firmware | * |
| qualcomm | wcd9370_firmware | * |
| qualcomm | wcd9375_firmware | * |
| qualcomm | wcd9378c_firmware | * |
| qualcomm | wcd9380_firmware | * |
| qualcomm | wcd9385_firmware | * |
| qualcomm | wcn3950_firmware | * |
| qualcomm | wcn3988_firmware | * |
| qualcomm | wsa8810_firmware | * |
| qualcomm | wsa8815_firmware | * |
| qualcomm | wsa8830_firmware | * |
| qualcomm | wsa8832_firmware | * |
| qualcomm | wsa8835_firmware | * |
| qualcomm | wsa8840_firmware | * |
| qualcomm | wsa8845_firmware | * |
| qualcomm | wsa8845h_firmware | * |
| qualcomm | x2000077_firmware | * |
| qualcomm | x2000086_firmware | * |
| qualcomm | aqt1000_firmware | * |
| qualcomm | cologne_firmware | * |
| qualcomm | fastconnect_6200_firmware | * |
| qualcomm | fastconnect_6700_firmware | * |
| qualcomm | fastconnect_6800_firmware | * |
| qualcomm | x2000090_firmware | * |
| qualcomm | x2000092_firmware | * |
| qualcomm | x2000094_firmware | * |
| qualcomm | xg101002_firmware | * |
| qualcomm | xg101032_firmware | * |
| qualcomm | xg101039_firmware | * |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-126 | The product reads from a buffer using buffer access mechanisms such as indexes or pointers that reference memory locations after the targeted buffer. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is a memory corruption issue that occurs when the camera sensor driver processes IOCTL (Input/Output Control) requests. Specifically, it happens because the driver accesses an output buffer without properly validating the size of that buffer. This improper validation can lead to memory corruption.
How can this vulnerability impact me? :
The vulnerability can have serious impacts including unauthorized access or modification of data, denial of service, or potentially allowing an attacker to execute arbitrary code with limited privileges. The CVSS score indicates high impact on confidentiality, integrity, and availability.