OSV-2026-215 UNKNOWN READ in getTypeCacheHashTableBucket
An unknown read vulnerability in the USB driver library's type cache hash table bucket function can cause a crash.
- Exploited in the wild
- Not known
- Login needed
- Not stated
- Attackable
- Not stated
- Victim action needed
- Not stated
- Fix
- None listed
What is OSV-2026-215?
OSV-2026-215 is a memory corruption vulnerability in tinyusb, published on 10 Feb 2026.
Official description
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=482748215
Crash type: UNKNOWN READ
Crash state:
getTypeCacheHashTableBucket
usbd.h
Which versions are affected by OSV-2026-215?
1 open source package ship an affected version, including tinyusb.
| Package | Affected | Fixed in |
|---|---|---|
tinyusb OSS-Fuzz | All versions | None |
How do I fix OSV-2026-215?
No fix has been published for OSV-2026-215 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 OSV-2026-215 being exploited?
There is no known exploitation of OSV-2026-215 in the wild and no public exploit code.