Bug 2487224 (CVE-2026-45591)

Summary: CVE-2026-45591 dotnet: ASP.NET Core: Denial of Service via uncontrolled resource consumption
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: high Docs Contact:
Priority: high    
Version: unspecifiedCC: rhel-process-autobot, 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 ASP.NET Core. This vulnerability allows an unauthorized attacker to exploit uncontrolled resource consumption, leading to a Denial of Service (DoS) over a network. This means that an attacker can make the affected system unavailable to legitimate users by consuming its resources.
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: 2487586, 2487587, 2487588    
Bug Blocks:    

Description OSIDB Bzimport 2026-06-09 18:08:13 UTC
Uncontrolled resource consumption in ASP.NET Core allows an unauthorized attacker to deny service over a network.

Comment 2 errata-xmlrpc 2026-06-10 20:08:43 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2026:25111 https://access.redhat.com/errata/RHSA-2026:25111

Comment 3 errata-xmlrpc 2026-06-10 20:11:26 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2026:25112 https://access.redhat.com/errata/RHSA-2026:25112

Comment 4 errata-xmlrpc 2026-06-10 20:36:12 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2026:25115 https://access.redhat.com/errata/RHSA-2026:25115

Comment 5 errata-xmlrpc 2026-06-10 20:59:39 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2026:25114 https://access.redhat.com/errata/RHSA-2026:25114

Comment 6 errata-xmlrpc 2026-06-10 21:46:17 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2026:25110 https://access.redhat.com/errata/RHSA-2026:25110

Comment 7 errata-xmlrpc 2026-06-10 21:47:24 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2026:25113 https://access.redhat.com/errata/RHSA-2026:25113

Comment 8 errata-xmlrpc 2026-06-11 11:24:40 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2026:25220 https://access.redhat.com/errata/RHSA-2026:25220

Comment 9 errata-xmlrpc 2026-06-11 11:24:45 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2026:25221 https://access.redhat.com/errata/RHSA-2026:25221

Comment 10 errata-xmlrpc 2026-06-11 11:24:59 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2026:25222 https://access.redhat.com/errata/RHSA-2026:25222