CVE-2023-21663 Improper Restrictions of Operations within the Bounds of a Memory Buffer in Display
An attacker can exploit memory corruption in Qualcomm Display metadata handling to potentially execute arbitrary code or escalate privileges on Android devices.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2023-21663?
CVE-2023-21663 is a medium-severity memory corruption vulnerability in Qualcomm Aqt1000 Firmware, published on 5 Sep 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Memory Corruption while accessing metadata in Display.
Which versions are affected by CVE-2023-21663?
It affects 38 products.
Products include Qualcomm Aqt1000 Firmware, Qualcomm Qca6420 Firmware, Qualcomm Qca6430 Firmware, Qualcomm Qca6574au Firmware, Qualcomm Qca6696 Firmware, Qualcomm Qcc5100 Firmware and 32 more.
How do I fix CVE-2023-21663?
Apply the vendor's patch.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2023-21663 being exploited?
There is no known exploitation of CVE-2023-21663 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 3322786, A-253297595, GHSA-cxvm-4f6m-6mjv, PUB-A-253297595.