CVE-2026-21373 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-2026-21373?
CVE-2026-21373 is a high-severity memory corruption vulnerability in Qualcomm Aqt1000 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-2026-21373?
It affects 54 products.
Products include Qualcomm Aqt1000 Firmware, Qualcomm Cologne Firmware, Qualcomm Fastconnect 6200 Firmware, Qualcomm Fastconnect 6700 Firmware, Qualcomm Fastconnect 6800 Firmware, Qualcomm Fastconnect 6900 Firmware and 48 more.
How do I fix CVE-2026-21373?
No fix has been published for CVE-2026-21373 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-2026-21373 being exploited?
There is no known exploitation of CVE-2026-21373 in the wild and no public exploit code.
Other vulnerabilities in Qualcomm Aqt1000 Firmware
- CVE-2025-21479 Qualcomm Multiple Chipsets Incorrect Authorization
- CVE-2025-21480 Qualcomm Multiple Chipsets Incorrect Authorization
- CVE-2023-28562 Buffer Copy Without Checking Size of Input in QESL
- CVE-2022-40514 Buffer copy without checking size of input in WLAN Firmware
- CVE-2022-22096 Memory corruption in Snapdragon Connectivity, Snapdragon Mobile
Sources
Also known as GHSA-p7h3-2rm6-r8vf.