CVE-2020-11521
freerdp: Out-of-bounds write in planar.c
Severity
ImportantRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · April 9, 2020
Updated · November 22, 2025
Description
A flaw was found in freerdp in versions between 1.0 and 2.0.0. An out-of-bounds memory write was found in the planar.c function which could allow an attacker to control data sent from the RDP server to the client. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 6.6CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
CWE-125 · Out-of-bounds Read