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Vulnerability record · CVE-2026-31885 · published 13 March 2026

CVE-2026-31885: Freerdp out-of-bounds read vulnerability

Freerdp · Freerdp

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.24.0, there is an out-of-bounds read in MS-ADPCM and IMA-ADPCM decoders due to unchecked predictor and step_index values from input data. This vulnerability is fixed in 3.24.0.

9.4 CVSS 3.1 Critical EPSS 0.26% · top 83.7% CWE-125 · Out-of-bounds read
9.4CVSS 3.1 base score
0.26%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
3References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.24.0, there is an out-of-bounds read in MS-ADPCM and IMA-ADPCM decoders due to unchecked predictor and step_index values from input data. This vulnerability is fixed in 3.24.0.

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

Affected products

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

References

LinkTags
https://github.com/FreeRDP/FreeRDP/commit/16df2300e1e3f5a51f68fb1626429e58b531b7c8 Patch
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-h23r-3988-3wf3 ExploitPatchVendor Advisory
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-h23r-3988-3wf3 ExploitPatchVendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2026-31883Freerdp heap-based buffer overflow vulnerabilityFreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.24.0, a size_t underflow in the IMA-ADPCM and MS-ADPCM audio decoders lea…EPSS 0.32%9.8CVE-2024-32662Freerdp out-of-bounds read vulnerabilityFreeRDP 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. T…EPSS 0.77%9.8CVE-2024-32659Freerdp out-of-bounds read vulnerabilityFreeRDP 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 if…EPSS 1.2%9.8CVE-2024-32658Freerdp out-of-bounds read vulnerabilityFreeRDP 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. V…EPSS 1.4%9.8CVE-2024-32459Freerdp out-of-bounds read vulnerabilityFreeRDP is a free implementation of the Remote Desktop Protocol. FreeRDP based clients and servers that use a version of FreeRDP prior to 3.5.0 or 2.…EPSS 3.7%9.8CVE-2024-32460Freerdp out-of-bounds read vulnerabilityFreeRDP is a free implementation of the Remote Desktop Protocol. FreeRDP based based clients using `/bpp:32` legacy `GDI` drawing path with a version…EPSS 1.9%9.8CVE-2024-32039Freerdp integer overflow vulnerabilityFreeRDP is a free implementation of the Remote Desktop Protocol. FreeRDP based clients using a version of FreeRDP prior to 3.5.0 or 2.11.6 are vulner…EPSS 2.3%9.8CVE-2024-32040Freerdp vulnerabilityFreeRDP 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 hav…EPSS 1.9%

Source: NIST National Vulnerability Database (record CVE-2026-31885), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.