CVE-2025-3408: Nothings stb stb_dupreplace integer overflow

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-04-08 · updated 2026-06-17
Weakness: CWE-189

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.

Affected products

nothings stb: through 2.13

References

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

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