Bug 2531160 (CVE-2026-79516)

Summary: CVE-2026-79516 stb: nothings stb: Local Denial of Service via out-of-bounds read
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 nothings stb. An out-of-bounds read vulnerability exists in the `stbsp_vsnprintf` function. A local attacker could exploit this by sending a specially crafted input. This could lead to a Denial of Service (DoS), making the affected system unavailable.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Bug Depends On: 2531289, 2531290, 2531291    
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Description OSIDB Bzimport 2026-09-09 20:51:23 UTC
An out-of-bounds read in the stbsp_vsnprintf function (stb_sprintf.h) of nothings stb commit 31c1ad3 allows attackers to cause a Denial of Service (DoS) via sending a crafted input.