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Vulnerability record · CVE-2024-32662 · published 23 April 2024

CVE-2024-32662: Freerdp out-of-bounds read vulnerability

Freerdp · Freerdp

FreeRDP is a free implementation of the Remote Desktop Protocol. FreeRDP based clients prior to version 3.5.1 are vulnerable to out-of-bounds read. This occurs when `WCHAR` string is read with twice the size it has and converted to `UTF-8`, `base64` decoded. The string is only used to compare against the redirection server certificate. Version 3.5.1 contains a patch for the issue. No known workarounds are available.

9.8 CVSS 3.1 Critical EPSS 0.77% · top 46.2% CWE-125 · Out-of-bounds read
9.8CVSS 3.1 base score
0.77%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
14References
17 Jun 2026Last modified by NVD

Description

FreeRDP is a free implementation of the Remote Desktop Protocol. FreeRDP based clients prior to version 3.5.1 are vulnerable to out-of-bounds read. This occurs when `WCHAR` string is read with twice the size it has and converted to `UTF-8`, `base64` decoded. The string is only used to compare against the redirection server certificate. Version 3.5.1 contains a patch for the issue. No known workarounds are available.

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/commit/626d10a94a88565d957ddc30768ed08b320049a7 Patch
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-vffh-j6hh-95f4 Vendor 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://oss-fuzz.com/testcase-detail/4985227207311360 Permissions Required
https://github.com/FreeRDP/FreeRDP/commit/626d10a94a88565d957ddc30768ed08b320049a7 Patch
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-vffh-j6hh-95f4 Vendor 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://oss-fuzz.com/testcase-detail/4985227207311360 Permissions Required

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Source: NIST National Vulnerability Database (record CVE-2024-32662), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.