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Vulnerability · Published Sep 30, 2026 · Assigned by VulDB

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

Medium 6.5

In plain English

A medium-severity integer overflow in stb from Nothings. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 28% of all known vulnerabilities).

Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.3%top 71.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12libstbno fix listedDEBIAN-CVE-2026-102804
Debian:13libstbno fix listedDEBIAN-CVE-2026-102804
Debian:14libstbno fix listedDEBIAN-CVE-2026-102804
Ubuntu:22.04:LTSlibstbno fix listedUBUNTU-CVE-2026-102804
Ubuntu:24.04:LTSlibstbno fix listedUBUNTU-CVE-2026-102804
Ubuntu:26.04:LTSlibstbno fix listedUBUNTU-CVE-2026-102804
Ubuntu:26.10libstbno fix listedUBUNTU-CVE-2026-102804

Affected products (as reported)

VendorProductVersions
Nothings stb 2c980bb59875b0d32144a71867fbdebb2f77cd20

Weakness: CWE-190, CWE-189 · Vector: 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

References