Medium severity · published Sep 30, 2026
CVE-2026-102804
Nothings stb stb_hexwave.h hexwave_init integer overflow
6.5
CVSS
0.3%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
Low
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 28% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ST
stb · Nothings
2c980bb59875b0d32144a71867fbdebb2f77cd20 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-102804
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-102804
vdb-entry
https://vuldb.com/vuln/411496
signature
https://vuldb.com/vuln/411496/cti
third-party-advisory
https://vuldb.com/cve/CVE-2026-102804
third-party-advisory
https://vuldb.com/submit/944861
issue-tracking
https://github.com/nothings/stb/issues/1961
exploit
https://github.com/user-attachments/files/31351618/poc_hexwave.c
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