Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2026-33983

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.24.2, progressive_decompress_tile_upgrade() detects a mismatch via progressive_rfx_quant_cmp_equal() but only emits WLog_WARN, execution continues. The wrapped value (247) is used as a shift exponent, causing undefined behavior and an approximately 80 billion iteration loop (CPU DoS). This issue has been patched in version 3.24.2.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 13.0%
CVSS Severity
CVSS v3 Score 6.5
Products affected by CVE-2026-33983


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