Bug 2551515 (CVE-2026-96224)

Summary:	CVE-2026-96224 dotnet: .NET: arbitrary code execution via out-of-bounds write
Product:	[Other] Security Response	Reporter:	OSIDB Bzimport <bzimport>
Component:	vulnerability	Assignee:	Product Security DevOps Team <prodsec-dev>
Status:	NEW ---	QA Contact:
Severity:	high	Docs Contact:
Priority:	high
Version:	unspecified	Keywords:	Security
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Hardware:	All
OS:	Linux
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Fixed In Version:		Doc Type:	---
Doc Text:	A flaw was found in .NET. An out-of-bounds write vulnerability allows a remote attacker to achieve arbitrary code execution over the network. By tricking a user or application into processing specially crafted data, an attacker can corrupt memory and execute unauthorized commands with the privileges of the target process.	Story Points:	---
Clone Of:		Environment:
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Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:

Description OSIDB Bzimport 2026-10-13 20:45:51 UTC

Out-of-bounds write in .NET allows an unauthorized attacker to execute code over a network.

Affected products:
- .NET Windows Desktop Runtime (release 11.0): 11.0.0-preview.1 - 11.0.0-rc.1; fixed 11.0.0-rc.2
- .NET Windows Desktop Runtime (release 9.0): 9.0.0 - 9.0.20; fixed 9.0.21
- .NET Windows Desktop Runtime (release 8.0): 8.0.0 - 8.0.31; fixed 8.0.32
- .NET Windows Desktop Runtime (release 10.0): 10.0.0 - 10.0.12; fixed 10.0.13