Divide By Zero Affecting freerdp package, versions *


Severity

Recommended
0.0
medium
0
10

Based on CentOS security rating.

Threat Intelligence

EPSS
0.55% (44th percentile)

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  • Snyk IDSNYK-CENTOS10-FREERDP-19000036
  • published20 Aug 2026
  • disclosed19 Aug 2026

Introduced: 19 Aug 2026

CVE-2026-63117  (opens in a new tab)
CWE-369  (opens in a new tab)

How to fix?

There is no fixed version for Centos:10 freerdp.

NVD Description

Note: Versions mentioned in the description apply only to the upstream freerdp package and not the freerdp package as distributed by Centos. See How to fix? for Centos:10 relevant fixed versions and status.

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.28.0, an authenticated RDP client can advertise DVI ADPCM with nBlockAlign equal to 8 and nChannels equal to 2 to make the bs calculation in rdpsnd_server_select_format in channels/rdpsnd/server/rdpsnd_main.c equal zero. The subsequent out_frames modulo bs operation raises SIGFPE and terminates the server-side rdpsnd channel process. This vulnerability fixed in 3.28.0.

CVSS Base Scores

version 3.1