CVE-2026-102804
Nothings stb stb_hexwave.h hexwave_init integer overflow
- State
- Published
- Severity
- 6.9 Medium
- Published
- Sep 30, 2026
- Updated
- Oct 2, 2026
- Reserved
- Sep 29, 2026
Description
A vulnerability was detected in Nothings stb up to 2c980bb59875b0d32144a71867fbdebb2f77cd20. The impacted element is the function hexwave_init in the library stb_hexwave.h. Performing a manipulation of the argument width/oversample results in integer overflow. Remote exploitation of the attack is possible. The exploit is now public and may be used. The project was informed of the problem early through an issue report but has not responded yet.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 6.9 Medium | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:P | VulDB |
| 3.1 | 6.5 Medium | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L/E:P/RL:X/RC:C | VulDB |
| 3.0 | 6.5 Medium | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L/E:P/RL:X/RC:C | VulDB |
| 2.0 | 6.4 Medium | AV:N/AC:L/Au:N/C:N/I:P/A:P/E:POC/RL:ND/RC:C | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
stbNothings |
|
References
- VDB-411496 | Nothings stb stb_hexwave.h hexwave_init integer overflowvdb-entrytechnical-description
- VDB-411496 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
- CVE-2026-102804 | CVE Analysis and Reportthird-party-advisory
- Submit #944861 | nothings stb (stb_hexwave.h) 31c1ad3 (latest at time of discovery) CWE-190: Integer Overflow; CWE-120: Buffer Overflowthird-party-advisory
- https://github.com/nothings/stb/issues/1961issue-tracking
- https://github.com/user-attachments/files/31351618/poc_hexwave.cexploit
- https://github.com/nothings/stb/product
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