CVE-2026-102804

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.

CVSS 4.0

5.5CVSS: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

CVSS 3.1

6.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L

EPSS

0.3% chance of exploitation in the next 30 days; higher than 28% of CVEs (scores of 2026-10-25)

CWEs

CWE-189, CWE-190

Published

2026-09-30

Modified

2026-10-02

Record from

the NVD, synced 2026-10-19

References

• https://github.com/nothings/stb/
• https://github.com/nothings/stb/issues/1961
• https://github.com/user-attachments/files/31351618/poc_hexwave.c
• https://vuldb.com/cve/CVE-2026-102804
• https://vuldb.com/submit/944861

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