Bug 2548778 (CVE-2026-58280) - CVE-2026-58280 dotnet10.0: dotnet9.0: dotnet: dotnet8.0: .NET Denial of Service Vulnerability
Summary: CVE-2026-58280 dotnet10.0: dotnet9.0: dotnet: dotnet8.0: .NET Denial of Servi...
Keywords:
Status: NEW
Alias: CVE-2026-58280
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:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-10-09 19:02 UTC by Charles Timko
Modified: 2026-10-21 03:41 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 21:36:13 UTC
Red Hat Product Errata RHSA-2026:86169 0 None None None 2026-10-20 22:46:09 UTC
Red Hat Product Errata RHSA-2026:86170 0 None None None 2026-10-20 21:54:39 UTC
Red Hat Product Errata RHSA-2026:86171 0 None None None 2026-10-20 22:49:50 UTC
Red Hat Product Errata RHSA-2026:86172 0 None None None 2026-10-20 21:43:09 UTC
Red Hat Product Errata RHSA-2026:86192 0 None None None 2026-10-20 21:58:24 UTC
Red Hat Product Errata RHSA-2026:86193 0 None None None 2026-10-20 22:55:36 UTC
Red Hat Product Errata RHSA-2026:86195 0 None None None 2026-10-20 21:40:29 UTC
Red Hat Product Errata RHSA-2026:86594 0 None None None 2026-10-21 03:41:45 UTC

Description Charles Timko 2026-10-09 19:02:05 UTC 
Uncontrolled recursion in .NET allows an unauthorized attacker to deny service over a network.

Affected products:
- .NET Runtime Libraries (release 10.0): 10.0.0 - 10.0.12; fixed 10.0.13
- .NET Runtime Libraries (release 9.0): 9.0.0 - 9.0.20; fixed 9.0.21
- .NET Runtime Libraries (release 11.0): 11.0.0-preview.1 - 11.0.0-rc.1; fixed 11.0.0-rc.2
- .NET Runtime Libraries (release 8.0): 8.0.0 - 8.0.31; fixed 8.0.32
Comment 1 Jon Orris 2026-10-20 21:36:12 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 21:40:28 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 21:43:07 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 21:54:38 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 21:58:23 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 22:46:08 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 22:49:49 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 22:55:35 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 03:41:45 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
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