Bug 2369955 (CVE-2025-49177) - CVE-2025-49177 xorg-x11-server-Xwayland: xorg-x11-server: tigervnc: Data Leak in XFIXES Extension's XFixesSetClientDisconnectMode
Summary: CVE-2025-49177 xorg-x11-server-Xwayland: xorg-x11-server: tigervnc: Data Leak...
Keywords:
Status: NEW
Alias: CVE-2025-49177
Deadline: 2025-06-17
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: 2375561 2375562 2375563
Blocks:
TreeView+ depends on / blocked
 
Reported: 2025-06-03 07:29 UTC by OSIDB Bzimport
Modified: 2025-10-07 19:16 UTC (History)
1 user (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-2025:10258 0 None None None 2025-07-02 16:28:16 UTC
Red Hat Product Errata RHSA-2025:9304 0 None None None 2025-06-23 01:27:35 UTC

Description OSIDB Bzimport 2025-06-03 07:29:04 UTC 
Information Disclosure vulnerability in the XFIXES extension. Lack of request length validation in XFixesSetClientDisconnectMode allows clients to read residual data from previous requests.
Comment 4 errata-xmlrpc 2025-06-23 01:27:34 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2025:9304 https://access.redhat.com/errata/RHSA-2025:9304
Comment 5 errata-xmlrpc 2025-07-02 16:28:15 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.4 Extended Update Support

Via RHSA-2025:10258 https://access.redhat.com/errata/RHSA-2025:10258
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