Bug 2568958 (CVE-2026-113364)

Summary: CVE-2026-113364 WebSAM WinShare: WebSAM WinShare: Arbitrary code execution via malformed protocol header
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerability-draftAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: urgent Docs Contact:
Priority: urgent    
Version: unspecifiedKeywords: Security
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Hardware: All   
OS: Linux   
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A flaw was found in WebSAM WinShare. This vulnerability allows a remote, unauthenticated attacker to execute arbitrary code with elevated SYSTEM privileges. By sending a specially crafted network packet containing a malformed data size value in the protocol header, an attacker can trigger a memory buffer overflow during the data receiving process.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Description OSIDB Bzimport 2026-11-09 04:31:24 UTC
Buffer Overflow in the data receiving process in NEC Corporation WebSAM WinShare Ver 7.5.0 and earlier, Ver 7.6.0 and Ver 7.7.0 through 7.7.2 on Windows allows a remote unauthenticated attacker to execute arbitrary code with SYSTEM privileges via a crafted packet with a malformed data size value in the protocol header.