A vulnerability classified as critical has been found in Nothings stb up to f056911. This affects the function stb_include_string. The manipulation of the argument path_to_includes leads to stack-based buffer overflow. It is possible to initiate the attack remotely. This product does not use versioning. This is why information about affected and unaffected releases are unavailable. The vendor was contacted early about this disclosure but did not respond in any way.
Use CWE-119, Nothings vendor hub and Stb Image.H product page to widen CVE-2025-3409 into its surrounding weakness, vendor, and product context.
Compare it with CVE-2023-45666, CVE-2023-45664 and CVE-2023-43281 for nearby disclosures in the same product family.