Bug 2438197 (CVE-2026-24678)

Summary:	CVE-2026-24678 freerdp: FreeRDP: Denial of Service via use after free in ecam_channel_write
Product:	[Other] Security Response	Reporter:	OSIDB Bzimport <bzimport>
Component:	vulnerability	Assignee:	Product Security DevOps Team <prodsec-dev>
Status:	NEW ---	QA Contact:
Severity:	high	Docs Contact:
Priority:	high
Version:	unspecified	Keywords:	Security
Target Milestone:	---
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
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Doc Text:	A denial of service flaw has been found in FreeRDP. A capture thread sends sample responses using a freed channel callback after a device channel close, leading to a use after free in ecam_channel_write.	Story Points:	---
Clone Of:		Environment:
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oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	2438244, 2438245, 2438246, 2438248, 2438249
Bug Blocks:

Description OSIDB Bzimport 2026-02-09 20:01:29 UTC

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.22.0, A capture thread sends sample responses using a freed channel callback after a device channel close, leading to a use after free in ecam_channel_write. This vulnerability is fixed in 3.22.0.

Comment 2 errata-xmlrpc 2026-02-23 10:10:09 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2026:3068 https://access.redhat.com/errata/RHSA-2026:3068

Comment 3 errata-xmlrpc 2026-03-09 18:01:17 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10.0 Extended Update Support

Via RHSA-2026:4121 https://access.redhat.com/errata/RHSA-2026:4121