🛡️ CVE-2025-3407 — stb-image.h

🟡 CVSS 6.3 — Medium ✅ No Known Exploit CWE-119 NVD

6.3

CVSS Score

0 Low4 Medium7 High9 Critical10

Description

A vulnerability was found in Nothings stb up to f056911. It has been declared as critical. Affected by this vulnerability is the function stbhw_build_tileset_from_image. The manipulation of the argument h_count/v_count leads to out-of-bounds read. The attack can be launched remotely. This product takes the approach of rolling releases to provide continious delivery. Therefore, version details for affected and updated releases are not available. The vendor was contacted early about this disclosure but did not respond in any way.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. A user must be tricked into taking some action. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality low, integrity low, availability low.

Weakness class

CVE-2025-3407 is classified as CWE-119: Improper Restriction of Operations within Memory Buffer Bounds. A read or write is performed without confirming it stays inside the allocated buffer, corrupting adjacent memory.

Affected software

CVE-2025-3407 is recorded against 1 package.

stb-image.h (fixed in 2.13)

Timeline and source

Published on 8 April 2025 and last revised on 17 June 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

vuldb.com
vuldb.com
vuldb.com

CVE-2025-3407 on other distributions

Each distribution ships its own build and its own fixed version. Pick the one you run:

Debian Ubuntu

Details

Severity MEDIUM

CVSS Score 6.3

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

CWE CWE-119

Public Exploit ✅ No

Source NVD

Published 2025-04-08

Updated 2026-08-11

Modified 2026-06-17

Fix URL N/A

Affected Packages

Software	From version	Fixed in
stb-image.h	—	2.13

References

Permissions Required, VDB Entry https://vuldb.com/?ctiid.303685

Third Party Advisory, VDB Entry https://vuldb.com/?id.303685

Third Party Advisory, VDB Entry https://vuldb.com/?submit.544227

🔗 NVD 🔗 Mitre

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