CVE-2020-15103

LowCVSS 3.5/10Last modified Jun 17, 2026

Description

In FreeRDP less than or equal to 2.1.2, an integer overflow exists due to missing input sanitation in rdpegfx channel. All FreeRDP clients are affected. The input rectangles from the server are not checked against local surface coordinates and blindly accepted. A malicious server can send data that will crash the client later on (invalid length arguments to a `memcpy`) This has been fixed in 2.2.0. As a workaround, stop using command line arguments /gfx, /gfx-h264 and /network:auto

Metrics

CVSS 3.1 3.5/10CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L

Weakness enumeration

CWE-680CWE-190

Affected software

VendorProductVersions
FreeRDPFreeRDP<= 2.1.2

References

Timeline

Published
Jul 27, 2020
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2020-15103: Low severity, CVSS 3.5 | Vulnix