Bug 2500509 (CVE-2026-47304)

Summary: CVE-2026-47304 dotnet: .NET Security Feature Bypass Vulnerability
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security <prodsec-ir-bot>
Status: NEW --- QA Contact:
Severity: high Docs Contact:
Priority: high    
Version: unspecifiedCC: rhel-process-autobot, sdawley, watson-tool-maintainers
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: ---
Doc Text:
A flaw was found in .NET. An unauthorized attacker can exploit this vulnerability over a network due to improper verification of cryptographic signatures. This allows the attacker to bypass a critical security feature, potentially leading to significant compromise of confidentiality, integrity, and availability.
Story Points: ---
Clone Of: Environment:
Last Closed: Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On: 2501501, 2501502, 2501503    
Bug Blocks:    

Description OSIDB Bzimport 2026-07-14 19:04:55 UTC
Improper verification of cryptographic signature in .NET allows an unauthorized attacker to bypass a security feature over a network.

Comment 3 errata-xmlrpc 2026-07-20 04:05:07 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2026:41899 https://access.redhat.com/errata/RHSA-2026:41899

Comment 4 errata-xmlrpc 2026-07-20 04:09:27 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2026:41893 https://access.redhat.com/errata/RHSA-2026:41893

Comment 5 errata-xmlrpc 2026-07-20 04:32:16 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2026:41895 https://access.redhat.com/errata/RHSA-2026:41895

Comment 6 errata-xmlrpc 2026-07-20 04:37:00 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2026:41897 https://access.redhat.com/errata/RHSA-2026:41897

Comment 7 errata-xmlrpc 2026-07-20 04:38:11 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2026:41900 https://access.redhat.com/errata/RHSA-2026:41900

Comment 8 errata-xmlrpc 2026-07-20 04:46:04 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2026:41901 https://access.redhat.com/errata/RHSA-2026:41901

Comment 9 errata-xmlrpc 2026-07-20 04:57:48 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2026:41894 https://access.redhat.com/errata/RHSA-2026:41894

Comment 10 errata-xmlrpc 2026-07-20 06:20:24 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2026:41896 https://access.redhat.com/errata/RHSA-2026:41896

Comment 11 errata-xmlrpc 2026-07-20 06:24:25 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2026:41898 https://access.redhat.com/errata/RHSA-2026:41898