CVE-2025-3409: stb image.h Buffer Overflow (CVSS 6.3)

Description

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.

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CVSS v3.1 Score

6.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L

Weakness Type (CWE)

CWE-119 Buffer Overflow

CWE-121 CWE-121

Affected Products

Vendor	Product	Versions
nothings	stb_image.h	< 2025-03-14

References

Other References

https://vuldb.com/?ctiid.303687 https://vuldb.com/?id.303687 https://vuldb.com/?submit.544231

Frequently Asked Questions

What is CVE-2025-3409? +

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. It has a CVSS v3.1 base score of 6.3 (MEDIUM).

How severe is CVE-2025-3409? +

CVE-2025-3409 has a CVSS v3.1 score of 6.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-3409? +

CVE-2025-3409 affects products from nothings, specifically: stb_image.h. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-3409? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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