Bug 2534066 - CVE-2026-91947 freerdp2: FreeRDP: Use-after-free vulnerability in DRDYNVC parser leads to memory corruption [fedora-all]
Summary: CVE-2026-91947 freerdp2: FreeRDP: Use-after-free vulnerability in DRDYNVC par...
Keywords:
Status: NEW
Alias: None
Product: Fedora
Classification: Fedora
Component: freerdp2
Version: rawhide
Hardware: Unspecified
OS: Unspecified
high
high
Target Milestone: ---
Assignee: Neal Gompa
QA Contact:
URL:
Whiteboard: {"flaws": ["2de993e6-1778-41e7-afb4-4...
Depends On:
Blocks: CVE-2026-91947
TreeView+ depends on / blocked
 
Reported: 2026-09-15 18:15 UTC by Vladimir Vasilev
Modified: 2026-09-15 18:15 UTC (History)
4 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed:
Type: ---
Embargoed:


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Description Vladimir Vasilev 2026-09-15 18:15:14 UTC
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.

FreeRDP server versions before 3.31.0 contain a use-after-free vulnerability in the DRDYNVC parser that dereferences a channel pointer after releasing the synchronization lock. Authenticated clients can race AUDIN channel closure messages against DRDYNVC data parsing to trigger heap-use-after-free when accessing freed channel objects.


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