CVE-2025-3408: stb image.h Integer Overflow (CVSS 6.3)

Description

A vulnerability was found in Nothings stb up to f056911. It has been rated as critical. Affected by this issue is the function stb_dupreplace. The manipulation leads to integer overflow. The attack may be launched remotely. Continious delivery with rolling releases is used by this product. Therefore, no version details of affected nor updated releases are available. 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-189 CWE-189

CWE-190 Integer Overflow

Affected Products

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

References

Other References

https://vuldb.com/?ctiid.303686 https://vuldb.com/?id.303686 https://vuldb.com/?submit.544230 https://vuldb.com/?submit.544230

Frequently Asked Questions

What is CVE-2025-3408? +

A vulnerability was found in Nothings stb up to f056911. It has been rated as critical. Affected by this issue is the function stb_dupreplace. The manipulation leads to integer overflow. The attack may be launched remotely. Continious delivery with rolling releases is used by this product. Therefore, no version details of affected nor updated releases are available. 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-2025-3408? +

CVE-2025-3408 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-2025-3408? +

CVE-2025-3408 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-2025-3408? +

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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