CVE-2026-21378: Memory Corruption when accessing an output buffer without validating its size during IOCTL processing in a camera sensor driver.

Quick answers

Is CVE-2026-21378 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2026-21378 being exploited in the wild.

How severe is CVE-2026-21378?

High severity, with a CVSS score of 7.8, published 6 April 2026.

Which products and versions are affected?

Qualcomm Aqt1000, Qualcomm AQT1000 Firmware, Qualcomm Cologne, Qualcomm Cologne Firmware and 98 more. The advisory does not name versions.

Is there a fix for CVE-2026-21378?

No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

Am I affected by CVE-2026-21378?

Check whether you run Qualcomm Aqt1000, Qualcomm AQT1000 Firmware, Qualcomm Cologne or one of the others listed. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Affected products

• Qualcomm Aqt1000
• Qualcomm AQT1000 Firmware
• Qualcomm Cologne
• Qualcomm Cologne Firmware
• Qualcomm FastConnect 6800 Firmware
• Qualcomm Fastconnect 6200
• Qualcomm Fastconnect 6200 Firmware
• Qualcomm Fastconnect 6700
• Qualcomm Fastconnect 6700 Firmware
• Qualcomm Fastconnect 6800
• Qualcomm Fastconnect 6900
• Qualcomm Fastconnect 6900 Firmware
• Qualcomm Fastconnect 7800
• Qualcomm Fastconnect 7800 Firmware
• Qualcomm Qca0000
• Qualcomm Qca0000 Firmware
• Qualcomm Qca6391
• Qualcomm Qca6391 Firmware
• Qualcomm Qca6420
• Qualcomm Qca6420 Firmware
• Qualcomm Qca6430
• Qualcomm Qca6430 Firmware
• Qualcomm Qcm5430
• Qualcomm Qcm5430 Firmware
• Qualcomm Qcm6490
• Qualcomm Qcm6490 Firmware
• Qualcomm Sc8380xp
• Qualcomm SC8380XP Firmware
• Qualcomm Sm6250
• Qualcomm SM6250 Firmware
• Qualcomm Snapdragon 460 Mobile Platform Firmware
• Qualcomm Snapdragon 460 Mobile Platform
• Qualcomm Snapdragon 662 Mobile Platform
• Qualcomm Snapdragon 662 Mobile Platform Firmware
• Qualcomm Snapdragon 7c Compute Platform
• Qualcomm Snapdragon 7c Compute Platform Firmware
• Qualcomm Snapdragon 7c Gen 2 Compute Platform
• Qualcomm Snapdragon 7c Gen 2 Compute Platform Firmware
• Qualcomm Snapdragon 7c\+ Gen 3 Compute
• Qualcomm Snapdragon 7c\+ Gen 3 Compute Firmware
• Qualcomm Snapdragon 8c Compute Platform
• Qualcomm Snapdragon 8c Compute Platform Firmware
• Qualcomm Snapdragon 8cx Compute Platform
• Qualcomm Snapdragon 8cx Compute Platform Firmware
• Qualcomm Snapdragon 8cx Gen 2 5g Compute Platform
• Qualcomm Snapdragon 8cx Gen 2 5g Compute Platform Firmware
• Qualcomm Snapdragon 8cx Gen 3 Compute Platform
• Qualcomm Snapdragon 8cx Gen 3 Compute Platform Firmware
• Qualcomm Snapdragon Ar1 Gen 1 Platform
• Qualcomm Snapdragon Ar1 Gen 1 Platform Firmware
• Qualcomm Video Collaboration Vc3 Platform
• Qualcomm Video Collaboration Vc3 Platform Firmware
• Qualcomm Wcd9340
• Qualcomm Wcd9340 Firmware
• Qualcomm Wcd9341
• Qualcomm Wcd9341 Firmware
• Qualcomm Wcd9370
• Qualcomm Wcd9370 Firmware
• Qualcomm Wcd9375
• Qualcomm Wcd9375 Firmware
• Qualcomm Wcd9378c
• Qualcomm Wcd9378c Firmware
• Qualcomm Wcd9380
• Qualcomm Wcd9380 Firmware
• Qualcomm Wcd9385
• Qualcomm Wcd9385 Firmware
• Qualcomm Wcn3950
• Qualcomm Wcn3950 Firmware
• Qualcomm Wcn3988
• Qualcomm Wcn3988 Firmware
• Qualcomm Wsa8810
• Qualcomm Wsa8810 Firmware
• Qualcomm Wsa8815
• Qualcomm Wsa8815 Firmware
• Qualcomm Wsa8830
• Qualcomm Wsa8830 Firmware
• Qualcomm Wsa8832
• Qualcomm Wsa8832 Firmware
• Qualcomm Wsa8835
• Qualcomm Wsa8835 Firmware
• Qualcomm Wsa8840
• Qualcomm Wsa8840 Firmware
• Qualcomm Wsa8845
• Qualcomm Wsa8845 Firmware
• Qualcomm Wsa8845h
• Qualcomm Wsa8845h Firmware
• Qualcomm X2000077
• Qualcomm X2000077 Firmware
• Qualcomm X2000086
• Qualcomm X2000086 Firmware
• Qualcomm X2000090
• Qualcomm X2000090 Firmware
• Qualcomm X2000092
• Qualcomm X2000092 Firmware
• Qualcomm X2000094
• Qualcomm X2000094 Firmware
• Qualcomm Xg101002
• Qualcomm Xg101002 Firmware
• Qualcomm Xg101032
• Qualcomm Xg101032 Firmware
• Qualcomm Xg101039
• Qualcomm Xg101039 Firmware