Monitor vulnerabilities like this one. Sign up free to get alerted when software you use is affected.

TinyOBJ Library Can Crash with Bad Data

Summary

The TinyOBJ library, used to load 3D models, can crash when it tries to read poorly formatted data. This could be a problem if your application relies on TinyOBJ to import 3D models from untrusted sources. Make sure to update to a fixed version of TinyOBJ to prevent crashes.

What to do

No fix is available yet. Check with your software vendor for updates.

Affected software
VendorProductAffected versionsFix available
– tinyobjloader All versions –
Original title
Heap-buffer-overflow in tinyobj::tryParseDouble
Original description
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=490598877

```
Crash type: Heap-buffer-overflow READ 1
Crash state:
tinyobj::tryParseDouble
tinyobj::LoadObjInternal
tinyobj::LoadObj
```
Published: 9 Mar 2026 · Updated: 13 Mar 2026 · First seen: 13 Mar 2026