Bug 2403083 (CVE-2025-55248) - CVE-2025-55248 dotnet: .NET Information Disclosure Vulnerability
Summary: CVE-2025-55248 dotnet: .NET Information Disclosure Vulnerability
Keywords:
Status: RELEASE_PENDING
Alias: CVE-2025-55248
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On: 2404147 2404148 2404149 2404150
Blocks:
TreeView+ depends on / blocked
 
Reported: 2025-10-10 13:17 UTC by OSIDB Bzimport
Modified: 2026-04-24 14:29 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-2025:18148 0 None None None 2025-10-15 15:48:53 UTC
Red Hat Product Errata RHSA-2025:18149 0 None None None 2025-10-15 16:06:20 UTC
Red Hat Product Errata RHSA-2025:18150 0 None None None 2025-10-15 16:28:47 UTC
Red Hat Product Errata RHSA-2025:18151 0 None None None 2025-10-15 16:49:12 UTC
Red Hat Product Errata RHSA-2025:18152 0 None None None 2025-10-15 16:13:41 UTC
Red Hat Product Errata RHSA-2025:18153 0 None None None 2025-10-15 16:30:06 UTC
Red Hat Product Errata RHSA-2025:18256 0 None None None 2025-10-16 15:35:38 UTC

Description OSIDB Bzimport 2025-10-10 13:17:03 UTC 
MITM (man in the middle) attacker may prevent use of TLS between client
and SMTP server, forcing client to send data over unencrypted
connection.

Affected versions:
.NET 8.0 (that's the RHEL dotnet8.0 package)
.NET 9.0 (that's the RHEL dotnet9.0 package)
Comment 1 errata-xmlrpc 2025-10-15 15:48:52 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2025:18148 https://access.redhat.com/errata/RHSA-2025:18148
Comment 2 errata-xmlrpc 2025-10-15 16:06:19 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2025:18149 https://access.redhat.com/errata/RHSA-2025:18149
Comment 3 errata-xmlrpc 2025-10-15 16:13:40 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2025:18152 https://access.redhat.com/errata/RHSA-2025:18152
Comment 4 errata-xmlrpc 2025-10-15 16:28:45 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2025:18150 https://access.redhat.com/errata/RHSA-2025:18150
Comment 5 errata-xmlrpc 2025-10-15 16:30:05 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2025:18153 https://access.redhat.com/errata/RHSA-2025:18153
Comment 6 errata-xmlrpc 2025-10-15 16:49:11 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2025:18151 https://access.redhat.com/errata/RHSA-2025:18151
Comment 7 errata-xmlrpc 2025-10-16 15:35:37 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.4 Extended Update Support

Via RHSA-2025:18256 https://access.redhat.com/errata/RHSA-2025:18256
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