Bug 2438210 (CVE-2026-24681)

Summary: CVE-2026-24681 freerdp: FreeRDP has a heap-use-after-free in urb_bulk_transfer_cb
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedKeywords: Security
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Hardware: All   
OS: Linux   
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A heap buffer use after free has been discovered in FreeRDP. Asynchronous bulk transfer completions can use a freed channel callback after URBDRC channel close, leading to a use after free in urb_write_completion.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Bug Depends On: 2438254, 2438259, 2438270, 2438302, 2438294    
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Description OSIDB Bzimport 2026-02-09 20:02:07 UTC
FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.22.0, aAsynchronous bulk transfer completions can use a freed channel callback after URBDRC channel close, leading to a use after free in urb_write_completion. This vulnerability is fixed in 3.22.0.