Medium severity4.3NVD Advisory· Published Nov 3, 2026· Updated Nov 3, 2026
CVE-2026-121406
CVE-2026-121406
Description
FreeRDP before 3.32.2 allows a client assertion abort because rdpgfx_on_data_received rejects only negative zgfx_decompress status and passes the resulting null output pointer to Stream_StaticConstInit. A malicious RDP server can send a zero-output ZGFX payload on the RDPGFX channel after session activation to terminate the client.
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Affected products
1Patches
Vulnerability mechanics
References
2News mentions
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