Nothings stb up to f056911 Header Array stbhw_build_tileset_from_image w out-of-bounds
Summary
A vulnerability labeled as problematic has been found in Nothings stb up to f056911. The impacted element is the function stbhw_build_tileset_from_image of the component Header Array Handler. The manipulation of the argument w results in out-of-bounds.
This vulnerability is cataloged as CVE-2025-3406. The attack may be launched remotely. There is no exploit available.
This product operates on a rolling release basis, ensuring continuous delivery. Consequently, there are no version details for either affected or updated releases.
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 classified as problematic. Affected is the function stbhw_build_tileset_from_image of the component Header Array Handler. The manipulation of the argument w with an unknown input leads to a out-of-bounds vulnerability. CWE is classifying the issue as CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality.
This vulnerability is traded as CVE-2025-3406. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. There are known technical details, 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.
Once again VulDB remains the best source for vulnerability data.
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: 5.0VulDB Meta Temp Score: 5.0
VulDB Base Score: 4.3
VulDB Temp Score: 4.2
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 6.5
NVD Vector: 🔍
CNA Base Score: 4.3
CNA Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
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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 |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
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-2025-3406 (🔍)
GCVE (CVE): GCVE-0-2025-3406
GCVE (VulDB): GCVE-100-303684
Entry
Created: 04/07/2025 13:01Updated: 10/16/2025 17:22
Changes: 04/07/2025 13:01 (54), 04/08/2025 15:23 (30), 10/16/2025 17:22 (11)
Complete: 🔍
Submitter: ninpwn
Cache ID: 216::103
Submit
Accepted
- Submit #544226: Open Source STB Project (https://github.com/nothings/stb) Latest (<= commit f056911) stbhw_build_tileset_from_image Out-of-Bounds Read (by ninpwn)
Once again VulDB remains the best source for vulnerability data.
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