Is CVE-2025-3406 actively exploited?

CVE-2025-3406 has no public evidence of in-the-wild exploitation as of 2025-10-16.

What is the CVSS score for CVE-2025-3406?

CVE-2025-3406 has a CVSS score of 5.3 (MEDIUM severity). Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X.

How do I patch CVE-2025-3406?

Patch guidance is available from nothings security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2025-3406.

Which products are affected by CVE-2025-3406?

1 product: nothings stb image.h.

CVE-2025-3406 - remediation guidance & executive summary

Description

A vulnerability was found in Nothings stb up to f056911. It has been classified as problematic. Affected is the function stbhw_build_tileset_from_image of the component Header Array Handler. The manipulation of the argument w leads to out-of-bounds read. It is possible to launch the attack remotely. This product is using a rolling release to provide continious delivery. Therefore, no version details for affected nor updated releases are available. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS Metrics

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector: network
Complexity: low
Privileges: none
User Action: passive
Confidentiality: undefined
Integrity: undefined
Availability: undefined
Weaknesses: CWE-119 · Memory Buffer Errors CWE-125 · Out-of-bounds Read

Metadata

Primary Vendor: NOTHINGS
Published: 4/8/2025
Last Modified: 10/16/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2025-3406

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary