Bug 2429656 (CVE-2026-22857)

Summary: CVE-2026-22857 freerdp: FreeRDP heap-use-after-free
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: unspecifiedCC: rhel-process-autobot, watson-tool-maintainers
Target Milestone: ---Keywords: Security
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Hardware: All   
OS: Linux   
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A heap use after free flaw has been discovered in FreeRDP. This heap use-after-free occurs in `irp_thread_func` because the IRP is freed by irp->Complete() and then accessed again on the error path.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
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Bug Depends On: 2429778, 2429779, 2429781, 2429784, 2429795    
Bug Blocks:    

Description OSIDB Bzimport 2026-01-14 18:02:12 UTC
FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.20.1, a heap use-after-free occurs in irp_thread_func because the IRP is freed by irp->Complete() and then accessed again on the error path. This vulnerability is fixed in 3.20.1.