Nothings stb up to f056911 stbhw_build_tileset_from_image h_count/v_count out-of-bounds
Summary
A vulnerability marked as critical has been reported in Nothings stb up to f056911. This affects the function stbhw_build_tileset_from_image. This manipulation of the argument h_count/v_count causes out-of-bounds.
This vulnerability is registered as CVE-2025-3407. Remote exploitation of the attack is possible. No exploit is available.
This product follows a rolling release approach for continuous delivery, so version details for affected or updated releases are not provided.
The vendor was contacted early about this disclosure but did not respond in any way.
Details
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 with an unknown input leads to a out-of-bounds vulnerability. The CWE definition for the vulnerability is CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability.
This vulnerability is known as CVE-2025-3407. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available.
The vendor was contacted early about this disclosure but did not respond in any way.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Product
Vendor
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CNA CVSS-B Score: 🔍
CNA CVSS-BT Score: 🔍
CNA Vector: 🔍
CVSSv3
VulDB Meta Base Score: 7.1VulDB Meta Temp Score: 7.1
VulDB Base Score: 6.3
VulDB Temp Score: 6.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 8.8
NVD Vector: 🔍
CNA Base Score: 6.3
CNA Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Out-of-boundsCWE: CWE-125 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
04/07/2025 🔍04/07/2025 🔍
10/16/2025 🔍
Sources
Status: Not definedCVE: CVE-2025-3407 (🔍)
GCVE (CVE): GCVE-0-2025-3407
GCVE (VulDB): GCVE-100-303685
Entry
Created: 04/07/2025 13:01Updated: 10/16/2025 17:22
Changes: 04/07/2025 13:01 (53), 04/08/2025 15:23 (31), 10/16/2025 17:22 (11)
Complete: 🔍
Submitter: ninpwn
Cache ID: 216::103
Submit
Accepted
- Submit #544227: Open Source STB Project (https://github.com/nothings/stb) Latest (<= commit f056911) stbhw_build_tileset_from_image Integer Overflow → Under Allocati (by ninpwn)
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
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