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Vulnerability record · CVE-2024-32040 · published 22 April 2024

CVE-2024-32040: Freerdp vulnerability

Freerdp · Freerdp

FreeRDP is a free implementation of the Remote Desktop Protocol. FreeRDP based clients that use a version of FreeRDP prior to 3.5.0 or 2.11.6 and have connections to servers using the `NSC` codec are vulnerable to integer underflow. Versions 3.5.0 and 2.11.6 patch the issue. As a workaround, do not use the NSC codec (e.g. use `-nsc`).

9.8 CVSS 3.1 Critical EPSS 1.9% · top 21.1% CWE-191 · CWE-191
9.8CVSS 3.1 base score
1.9%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
17References
17 Jun 2026Last modified by NVD

Description

FreeRDP is a free implementation of the Remote Desktop Protocol. FreeRDP based clients that use a version of FreeRDP prior to 3.5.0 or 2.11.6 and have connections to servers using the `NSC` codec are vulnerable to integer underflow. Versions 3.5.0 and 2.11.6 patch the issue. As a workaround, do not use the NSC codec (e.g. use `-nsc`).

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/FreeRDP/FreeRDP/pull/10077 Issue Tracking
https://github.com/FreeRDP/FreeRDP/releases/tag/2.11.6 Release Notes
https://github.com/FreeRDP/FreeRDP/releases/tag/3.5.0 Release Notes
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-23c5-cp23-h2h5 MitigationVendor Advisory
https://lists.fedoraproject.org/archives/list/[email protected]/message/5JL476WVJSIE7SBUKVJRVA6A5 Third Party Advisory
https://lists.fedoraproject.org/archives/list/[email protected]/message/7SIS6NUNLUBOV4CPCSWKDE6T6 Third Party Advisory
https://lists.fedoraproject.org/archives/list/[email protected]/message/PX3U6YPZQ7PEJBVKSBUOLWVH7 Third Party Advisory
https://lists.fedoraproject.org/archives/list/[email protected]/message/ZKI4UISUXYNBPN4K6TIQKDRTI Third Party Advisory
https://github.com/FreeRDP/FreeRDP/pull/10077 Issue Tracking
https://github.com/FreeRDP/FreeRDP/releases/tag/2.11.6 Release Notes
https://github.com/FreeRDP/FreeRDP/releases/tag/3.5.0 Release Notes
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-23c5-cp23-h2h5 MitigationVendor Advisory
https://lists.debian.org/debian-lts-announce/2025/02/msg00016.html
https://lists.fedoraproject.org/archives/list/[email protected]/message/5JL476WVJSIE7SBUKVJRVA6A5 Third Party Advisory
https://lists.fedoraproject.org/archives/list/[email protected]/message/7SIS6NUNLUBOV4CPCSWKDE6T6 Third Party Advisory
https://lists.fedoraproject.org/archives/list/[email protected]/message/PX3U6YPZQ7PEJBVKSBUOLWVH7 Third Party Advisory
https://lists.fedoraproject.org/archives/list/[email protected]/message/ZKI4UISUXYNBPN4K6TIQKDRTI Third Party Advisory

Track CVE-2024-32040 inside VULONE

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Source: NIST National Vulnerability Database (record CVE-2024-32040), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.