Bug 2512175 (CVE-2026-62899) - CVE-2026-62899 .NET: .NET Core: .NET Security Feature Bypass Vulnerability
Summary: CVE-2026-62899 .NET: .NET Core: .NET Security Feature Bypass Vulnerability
Keywords:
Status: NEW
Alias: CVE-2026-62899
Deadline: 2026-08-11
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2514613 2514614 2514615
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-08-06 20:40 UTC by OSIDB Bzimport
Modified: 2026-08-24 05:48 UTC (History)
4 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-2026:54538 0 None None None 2026-08-13 13:03:10 UTC
Red Hat Product Errata RHSA-2026:54541 0 None None None 2026-08-13 13:05:16 UTC
Red Hat Product Errata RHSA-2026:54542 0 None None None 2026-08-13 14:36:10 UTC
Red Hat Product Errata RHSA-2026:54550 0 None None None 2026-08-13 15:50:18 UTC
Red Hat Product Errata RHSA-2026:54574 0 None None None 2026-08-13 16:12:33 UTC
Red Hat Product Errata RHSA-2026:54590 0 None None None 2026-08-13 16:35:45 UTC
Red Hat Product Errata RHSA-2026:55856 0 None None None 2026-08-17 23:11:34 UTC
Red Hat Product Errata RHSA-2026:55857 0 None None None 2026-08-17 23:11:22 UTC
Red Hat Product Errata RHSA-2026:55858 0 None None None 2026-08-17 21:34:51 UTC
Red Hat Product Errata RHSA-2026:58566 0 None None None 2026-08-24 02:52:28 UTC
Red Hat Product Errata RHSA-2026:58567 0 None None None 2026-08-24 02:54:01 UTC
Red Hat Product Errata RHSA-2026:58568 0 None None None 2026-08-24 04:22:47 UTC
Red Hat Product Errata RHSA-2026:58569 0 None None None 2026-08-24 05:42:14 UTC
Red Hat Product Errata RHSA-2026:58570 0 None None None 2026-08-24 05:48:52 UTC

Description OSIDB Bzimport 2026-08-06 20:40:26 UTC 
System.Net.HttpListener - managed HttpListener incorrectly parses Content-Length header (Linux/.NET Core only)

Affects: 6.0, 8.0, 9.0, 10.0
Comment 1 errata-xmlrpc 2026-08-13 13:03:09 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2026:54538 https://access.redhat.com/errata/RHSA-2026:54538
Comment 2 errata-xmlrpc 2026-08-13 13:05:15 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2026:54541 https://access.redhat.com/errata/RHSA-2026:54541
Comment 3 errata-xmlrpc 2026-08-13 14:36:10 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2026:54542 https://access.redhat.com/errata/RHSA-2026:54542
Comment 4 errata-xmlrpc 2026-08-13 15:50:18 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2026:54550 https://access.redhat.com/errata/RHSA-2026:54550
Comment 5 errata-xmlrpc 2026-08-13 16:12:32 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2026:54574 https://access.redhat.com/errata/RHSA-2026:54574
Comment 6 errata-xmlrpc 2026-08-13 16:35:44 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2026:54590 https://access.redhat.com/errata/RHSA-2026:54590
Comment 7 errata-xmlrpc 2026-08-17 21:34:50 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2026:55858 https://access.redhat.com/errata/RHSA-2026:55858
Comment 8 errata-xmlrpc 2026-08-17 23:11:21 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2026:55857 https://access.redhat.com/errata/RHSA-2026:55857
Comment 9 errata-xmlrpc 2026-08-17 23:11:33 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2026:55856 https://access.redhat.com/errata/RHSA-2026:55856
Comment 10 errata-xmlrpc 2026-08-24 02:52:27 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10.0 Extended Update Support

Via RHSA-2026:58566 https://access.redhat.com/errata/RHSA-2026:58566
Comment 11 errata-xmlrpc 2026-08-24 02:54:00 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10.0 Extended Update Support

Via RHSA-2026:58567 https://access.redhat.com/errata/RHSA-2026:58567
Comment 12 errata-xmlrpc 2026-08-24 04:22:46 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions

Via RHSA-2026:58568 https://access.redhat.com/errata/RHSA-2026:58568
Comment 13 errata-xmlrpc 2026-08-24 05:42:13 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.6 Extended Update Support

Via RHSA-2026:58569 https://access.redhat.com/errata/RHSA-2026:58569
Comment 14 errata-xmlrpc 2026-08-24 05:48:51 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.6 Extended Update Support

Via RHSA-2026:58570 https://access.redhat.com/errata/RHSA-2026:58570
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