CVE-2026-29628 Denial of service in n/a
Attackers can cause a Denial of Service in applications using tinyobjloader by supplying a crafted .mtl file that triggers a stack overflow.
- 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-2026-29628?
CVE-2026-29628 is a medium-severity denial of service vulnerability in n/a, published on 13 Apr 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A stack overflow in the experimental/tinyobj_loader_opt.h file of tinyobjloader commit d56555b allows attackers to cause a Denial of Service (DoS) via supplying a crafted .mtl file.
Weakness: CWE-121
Which versions are affected by CVE-2026-29628?
How do I fix CVE-2026-29628?
No fix has been published for CVE-2026-29628 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2026-29628 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-29628 exists.
Public exploit code: 1 proofs of concept on GitHub.
Sources
Also known as GHSA-mwfv-wphg-q8j6, UBUNTU-CVE-2026-29628.