CVE-2025-3409

CVE-2025-3409 is a medium-severity vulnerability in Nothings Stb Image.h with a CVSS 3.x base score of 6.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.

Key facts

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.

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.
How severe is CVE-2025-3409?
CVE-2025-3409 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2025-3409 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-3409?
CVE-2025-3409 affects Nothings Stb Image.h. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-3409?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-3409 have an EU (EUVD) identifier?
Yes. CVE-2025-3409 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-10088.
When was CVE-2025-3409 published?
CVE-2025-3409 was published on 2025-04-08 and last updated on 2026-06-17.

References

Affected products (1)

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