CVE-2025-34449 Genymobile/scrcpy <= 3.3.3 Global Buffer Overflow
A compromised Android device can trigger a buffer overflow in scrcpy, potentially leading to memory corruption, code execution, or denial of service on the host.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-34449?
CVE-2025-34449 is a medium-severity memory corruption vulnerability in Genymobile scrcpy, published on 18 Dec 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Genymobile/scrcpy versions up to and including 3.3.3, prior to commit 3e40b24, contain a buffer overflow vulnerability in the sc_device_msg_deserialize() function. A compromised device can send crafted messages that cause out-of-bounds reads, which may result in memory corruption or a denial-of-service condition. This vulnerability may allow further exploitation on the host system.
Weakness: CWE-502
Which versions are affected by CVE-2025-34449?
It affects 1 product.
Products include Genymotion Scrcpy.
How do I fix CVE-2025-34449?
No fix has been published for CVE-2025-34449 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-2025-34449 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-34449 exists.
Sources
Also known as GHSA-wvmf-999m-w27j, UBUNTU-CVE-2025-34449.