#VU125369 Integer overflow in FreeRDP - CVE-2026-33983
Published: April 8, 2026
Vulnerability identifier: #VU125369
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2026-33983
CWE-ID: CWE-190
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
FreeRDP
FreeRDP
Software vendor:
FreeRDP
FreeRDP
Description
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to integer overflow or wraparound in progressive_decompress_tile_upgrade() when processing progressive codec tile data with changed quant values between passes. A remote attacker can send specially crafted progressive codec data to cause a denial of service.
User interaction is required for exploitation.
Remediation
Install security update from vendor's website.