Bug 2438206 (CVE-2026-24677)

Summary: CVE-2026-24677 freerdp: FreeRDP has a heap-buffer-overflow in ecam_encoder_compress_h264
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 overflow has been discovered in FreeRDP. ecam_encoder_compress_h264 trusts server-controlled dimensions and does not validate the source buffer size, leading to an out-of-bounds read in sws_scale.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Bug Depends On: 2438255, 2438260, 2438279, 2438305, 2438312    
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Description OSIDB Bzimport 2026-02-09 20:01:55 UTC
FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.22.0, ecam_encoder_compress_h264 trusts server-controlled dimensions and does not validate the source buffer size, leading to an out-of-bounds read in sws_scale. This vulnerability is fixed in 3.22.0.