Bug 2543759 (CVE-2026-102804)

Summary: CVE-2026-102804 stb: stb: Denial of Service via integer overflow in hexwave_init
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedKeywords: Security
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Hardware: All   
OS: Linux   
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A flaw was found in stb. An integer overflow vulnerability in the hexwave_init function within stb_hexwave.h allows a remote attacker to supply manipulated width or oversample values. This issue can cause improper calculations or memory handling that lead to application crashes, resulting in a Denial of Service (DoS).
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Bug Depends On: 2543786, 2543784, 2543785    
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Description OSIDB Bzimport 2026-09-30 00:41:46 UTC
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.