Bug 2551706 (CVE-2026-70162)

Summary:	CVE-2026-70162 dotnet: dotnet: Denial of Service via specially crafted web requests
Product:	[Other] Security Response	Reporter:	OSIDB Bzimport <bzimport>
Component:	vulnerability	Assignee:	Product Security DevOps Team <prodsec-dev>
Status:	NEW ---	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	Keywords:	Security
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Hardware:	All
OS:	Linux
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Doc Text:	A flaw was found in dotnet. The Microsoft Common Object Runtime Library improperly handles incoming web requests. A remote, unauthenticated attacker could exploit this vulnerability by sending specially crafted web requests to an affected application, resulting in a Denial of Service (DoS).	Story Points:	---
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oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
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Description OSIDB Bzimport 2026-10-13 20:56:09 UTC

A denial of service vulnerability exists when Microsoft Common Object Runtime Library improperly handles web requests. An attacker who successfully exploited this vulnerability could cause a denial of service against a .NET web application.
A remote unauthenticated attacker could exploit this vulnerability by issuing specially crafted requests to the .NET application.
The update addresses the vulnerability by correcting how the .NET web application handles web requests.

Affected packages:
- System.Security.Cryptography.Pkcs (release 9.0): 9.0.0 - 9.0.20; fixed 9.0.21
- System.Security.Cryptography.Pkcs (release 10.0): 10.0.0 - 10.0.12; fixed 10.0.13
- System.Security.Cryptography.Pkcs (release 8.0): 8.0.0 - 8.0.1; fixed 8.0.2
- System.Security.Cryptography.Pkcs (release 11.0): 11.0.0-preview.1 - 11.0.0-rc.1; fixed 11.0.0-rc.2