CVE-2026-102804: Nothings stb

Nothings stb stb_hexwave.h hexwave_init integer overflow

CVSS 6.9 MediumEPSS 0.0035 · 28th percentile

Published by the CVE Program (CNA: VulDB) at 30 Sept 2026, 00:00 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
Nothings	stb	affected 2c980bb59875b0d32144a71867fbdebb2f77cd20

Identifiers

CVE-2026-102804

CNA

VulDB

Weakness (CWE)

CWE-189 · CWE-190

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
6.9	Medium	4.0	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	CNA (VulDB)Used for this record
6.5	Medium	3.1	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	CNA (VulDB)
6.5	Medium	3.0	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	CNA (VulDB)
6.4	Medium	2.0	AV:N/AC:L/Au:N/C:N/I:P/A:P/E:POC/RL:ND/RC:C	CNA (VulDB)

CISA KEV Not listed.
EPSS 0.0035, the 28th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 30 Sept 2026. New records show when each source confirmed them.

Sources

References from the CNA

vuldb.com/vuln/411496 vdb-entrytechnical-description
vuldb.com/vuln/411496/cti signaturepermissions-required
vuldb.com/cve/CVE-2026-102804 third-party-advisory
vuldb.com/submit/944861 third-party-advisory
github.com/nothings/stb/issues/1961 issue-tracking
github.com/nothings/stb/ product
github.com/user-attachments/files/31351618/poc_hexwave.c exploit

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.