CVE-2026-102804 Nothings stb stb_hexwave.h hexwave_init integer overflow

Medium 6.9 Published Updated

An integer overflow in stb_hexwave.h allows remote attackers to cause denial of service or potentially execute code via crafted width/oversample arguments.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-102804?

CVE-2026-102804 is a medium-severity vulnerability in Nothings stb, published on 30 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-190, CWE-189

Which versions are affected by CVE-2026-102804?

How do I fix CVE-2026-102804?

No fix has been published for CVE-2026-102804 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-102804 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-102804 exists.

Sources

Also known as DEBIAN-CVE-2026-102804, GHSA-x842-766r-cjq8, UBUNTU-CVE-2026-102804.

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