Bug 2548793 (CVE-2026-70186) - CVE-2026-70186 dotnet10.0: dotnet9.0: dotnet8.0: ASP.NET Core Denial of Service Vulnerability
Summary: CVE-2026-70186 dotnet10.0: dotnet9.0: dotnet8.0: ASP.NET Core Denial of Servi...
Keywords:
Status: NEW
Alias: CVE-2026-70186
Deadline: 2026-10-13
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2555703 2555704 2555705
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-10-09 19:31 UTC by Charles Timko
Modified: 2026-10-21 03:42 UTC (History)
3 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed:
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2026:86168 0 None None None 2026-10-20 21:36:19 UTC
Red Hat Product Errata RHSA-2026:86169 0 None None None 2026-10-20 22:46:17 UTC
Red Hat Product Errata RHSA-2026:86170 0 None None None 2026-10-20 21:54:59 UTC
Red Hat Product Errata RHSA-2026:86171 0 None None None 2026-10-20 22:49:57 UTC
Red Hat Product Errata RHSA-2026:86172 0 None None None 2026-10-20 21:43:15 UTC
Red Hat Product Errata RHSA-2026:86192 0 None None None 2026-10-20 21:58:31 UTC
Red Hat Product Errata RHSA-2026:86193 0 None None None 2026-10-20 22:55:43 UTC
Red Hat Product Errata RHSA-2026:86195 0 None None None 2026-10-20 21:40:37 UTC
Red Hat Product Errata RHSA-2026:86594 0 None None None 2026-10-21 03:42:27 UTC

Description Charles Timko 2026-10-09 19:31:02 UTC 
Deadlock in ASP.NET Core allows an unauthorized attacker to deny service over a network.

Affected products:
- ASP.NET Core Runtime (release 10.0): 10.0.0 - 10.0.12; fixed 10.0.13
- ASP.NET Core Runtime (release 9.0): 9.0.0 - 9.0.20; fixed 9.0.21
- ASP.NET Core Runtime (release 8.0): 8.0.0 - 8.0.31; fixed 8.0.32
Comment 1 Jon Orris 2026-10-20 21:36:18 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2026:86168 https://access.redhat.com/errata/RHSA-2026:86168
Comment 2 Jon Orris 2026-10-20 21:40:37 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2026:86195 https://access.redhat.com/errata/RHSA-2026:86195
Comment 3 Jon Orris 2026-10-20 21:43:14 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2026:86172 https://access.redhat.com/errata/RHSA-2026:86172
Comment 4 Jon Orris 2026-10-20 21:54:58 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2026:86170 https://access.redhat.com/errata/RHSA-2026:86170
Comment 5 Jon Orris 2026-10-20 21:58:30 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2026:86192 https://access.redhat.com/errata/RHSA-2026:86192
Comment 6 Jon Orris 2026-10-20 22:46:16 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2026:86169 https://access.redhat.com/errata/RHSA-2026:86169
Comment 7 Jon Orris 2026-10-20 22:49:56 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2026:86171 https://access.redhat.com/errata/RHSA-2026:86171
Comment 8 Jon Orris 2026-10-20 22:55:42 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2026:86193 https://access.redhat.com/errata/RHSA-2026:86193
Comment 9 Jon Orris 2026-10-21 03:42:26 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2026:86594 https://access.redhat.com/errata/RHSA-2026:86594
Note You need to log in before you can comment on or make changes to this bug.