Bug 2499217 (CVE-2026-50651)

Summary: CVE-2026-50651 dotnet: SocketsHttpHandler Http2Connection - HTTP/2 SETTINGS/PING ACK flood causing OOM
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: aazores, ataylor, cmah, eaguilar, ebaron, ehugonne, pjindal, rhel-process-autobot, rjohnson, sdawley, security-response-team, watson-tool-maintainers
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: ---
Doc Text:
.NET Denial of Service Vulnerability - HTTP/2 SETTINGS/PING ACK flood causing OOM
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: 2500705, 2500706, 2500707    
Bug Blocks:    

Description OSIDB Bzimport 2026-07-10 21:04:38 UTC
Assembled based on the information provided by Microsoft in https://redhat.atlassian.net/browse/PSIRTSUPT-19361.

Comment 3 errata-xmlrpc 2026-07-20 04:05:00 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 04:09:20 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 04:31:39 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 04:36:54 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 04:38:07 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 04:46:01 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 04:57:44 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 06:20:19 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 06:24:19 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