CVE-2025-55100 Potential out-of-bounds read in _ux_host_class_audio10_sam_parse_func()
An out-of-bounds read in the USBX audio class parser allows attackers to cause denial of service or disclose sensitive memory contents.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2025-55100?
CVE-2025-55100 is a low-severity memory corruption vulnerability in Eclipse Foundation USBX, published on 17 Oct 2025. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
In USBX before 6.4.3, the USB support module for Eclipse Foundation ThreadX, there was a potential out of bound read issue in _ux_host_class_audio10_sam_parse_func() when parsing a list of sampling frequencies.
Weakness: CWE-125
Which versions are affected by CVE-2025-55100?
It affects 1 product.
Products include Eclipse Threadx Usbx.
How do I fix CVE-2025-55100?
No fix has been published for CVE-2025-55100 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-2025-55100 being exploited?
There is no known exploitation of CVE-2025-55100 in the wild and no public exploit code.
Other vulnerabilities in Eclipse Foundation USBX
- CVE-2022-29246 Potential buffer overflow in function DFU upload in Azure RTOS USBX
- CVE-2022-39293 Azure RTOS USBX Host PIMA vulnerable to read integer underflow with buffer overflow
- CVE-2022-36063 USBX Host CDC ECM integer underflow with buffer overflow
- CVE-2022-29223 Buffer overflow on HUB descriptor in Azure RTOS USBX
- CVE-2023-48695 Azure RTOS USBX Remote Code Execution Vulnerability