CVE-2020-11039: Integer Overflow in FreeRDP

Severity: medium (CVSS 6.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-05-29 · updated 2026-06-17
Weakness: CWE-190

Description

In FreeRDP less than or equal to 2.0.0, when using a manipulated server with USB redirection enabled (nearly) arbitrary memory can be read and written due to integer overflows in length checks. This has been patched in 2.1.0.

Affected products

Debian Linux: 10.0
FreeRDP: before 2.1.0 — fixed in 2.1.0
openSUSE Leap: 15.1

How to fix

Upgrade to a fixed version: FreeRDP 2.1.0. Check the vendor advisory for mitigations.

References

http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00080.html
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-mx9p-f6q8-mqwq
https://lists.debian.org/debian-lts-announce/2023/10/msg00008.html
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00080.html
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-mx9p-f6q8-mqwq
https://lists.debian.org/debian-lts-announce/2023/10/msg00008.html

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