CVE-2023-53966 SOUND4 LinkAndShare Transmitter 1.1.2 Format String Stack Buffer Overflow
Attackers can execute arbitrary code or crash the transmitter by exploiting a format string vulnerability in environment variables.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-53966?
CVE-2023-53966 is a critical memory corruption vulnerability in SOUND4 LinkAndShare Transmitter, published on 22 Dec 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
SOUND4 LinkAndShare Transmitter 1.1.2 contains a format string vulnerability that allows attackers to trigger memory stack overflows through maliciously crafted environment variables. Attackers can manipulate the username environment variable with format string payloads to potentially execute arbitrary code and crash the application.
Weakness: CWE-134
Which versions are affected by CVE-2023-53966?
It affects 1 product.
Products include Sound4 Linkandshare Transmitter.
How do I fix CVE-2023-53966?
No fix has been published for CVE-2023-53966 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-2023-53966 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-53966 exists.
Sources
Also known as GHSA-xh8h-mfrv-w6wh.