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CVE-2026-109246

7.1 high SSVC exploitation: poc Undergoing Analysis
NVD · CVE.org

FreeRDP before 3.32.0 contains a divide-by-zero vulnerability in the freerdp-shadow-cli shadow server: the frame id in a client's Frame Acknowledge PDU is stored without a range check, so the in-flight frame count in shadow_encoder_inflight_frames() can underflow. An authenticated client can acknowledge a frame id one greater than the last frame sent, causing shadow_encoder_create_frame_id() to divide by zero (SIGFPE) and terminate the process, disconnecting all viewers.

Fix

Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.

Change history 2

  1. StatusAwaiting Analysis → Undergoing AnalysisNVD modified 2026-10-18 12:17
  2. First seenCVSS 7.1NVD modified 2026-10-14 20:11

Affected (CPE criteria) 0

NVD has not attached CPE configurations yet.

References 3