CVE-2026-21375 Buffer Over-read in Camera
A buffer over-read in Qualcomm Snapdragon camera drivers allows attackers to cause memory corruption, potentially leading to code execution or denial of service.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-21375?
CVE-2026-21375 is a high-severity memory corruption vulnerability in Qualcomm Cologne Firmware, published on 6 Apr 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Memory Corruption when accessing an output buffer without validating its size during IOCTL processing.
Weakness: CWE-126
Which versions are affected by CVE-2026-21375?
It affects 35 products.
Products include Qualcomm Cologne Firmware, Qualcomm Fastconnect 6700 Firmware, Qualcomm Fastconnect 6900 Firmware, Qualcomm Fastconnect 7800 Firmware, Qualcomm Qca0000 Firmware, Qualcomm Qcm5430 Firmware and 29 more.
How do I fix CVE-2026-21375?
No fix has been published for CVE-2026-21375 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-21375 being exploited?
There is no known exploitation of CVE-2026-21375 in the wild and no public exploit code.
Other vulnerabilities in Qualcomm Cologne Firmware
Sources
Also known as GHSA-x4r2-qwg8-443r.