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CVE-2023-40567 Details

Description

FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. Affected versions are subject to an Out-Of-Bounds Write in the `clear_decompress_bands_data` function in which there is no offset validation. Abuse of this vulnerability may lead to an out of bounds write. This issue has been addressed in versions 2.11.0 and 3.0.0-beta3. Users are advised to upgrade. there are no known workarounds for this vulnerability.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:9.8 CRITICALVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CNA: [email protected]CVSS-B:6.5 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/FreeRDP/FreeRDP/blob/5be5553e0da72178a4b94cc1ffbdace9ceb153e5/libfreerdp/codec/clear.c#L612-L618	CVE	Issue Tracking
https://github.com/FreeRDP/FreeRDP/blob/5be5553e0da72178a4b94cc1ffbdace9ceb153e5/libfreerdp/codec/clear.c#L843-L845	CVE	Issue Tracking
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-2w9f-8wg4-8jfp	CVE	ExploitVendor Advisory
https://lists.debian.org/debian-lts-announce/2023/10/msg00008.html	CVE	Mailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2025/02/msg00016.html	CVE
https://lists.fedoraproject.org/archives/list/[email protected]/message/A6LLDAPEXRDJOM3PREDDD267SSNT77DP/	CVE	Mailing List
https://lists.fedoraproject.org/archives/list/[email protected]/message/IHMTGKCZXJPQOR5ZD2I4GPDNP2DKRXMF/	CVE	Mailing List
https://lists.fedoraproject.org/archives/list/[email protected]/message/OH2ATH2BKDNKCJAU4WPPXK4SHLE3UJUV/	CVE	Mailing List
https://security.gentoo.org/glsa/202401-16	CVE
https://github.com/FreeRDP/FreeRDP/blob/5be5553e0da72178a4b94cc1ffbdace9ceb153e5/libfreerdp/codec/clear.c#L612-L618	[email protected]	Issue Tracking
https://github.com/FreeRDP/FreeRDP/blob/5be5553e0da72178a4b94cc1ffbdace9ceb153e5/libfreerdp/codec/clear.c#L843-L845	[email protected]	Issue Tracking
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-2w9f-8wg4-8jfp	[email protected]	ExploitVendor Advisory
https://lists.debian.org/debian-lts-announce/2023/10/msg00008.html	[email protected]	Mailing ListThird Party Advisory
https://lists.fedoraproject.org/archives/list/[email protected]/message/A6LLDAPEXRDJOM3PREDDD267SSNT77DP/	[email protected]	Mailing List
https://lists.fedoraproject.org/archives/list/[email protected]/message/IHMTGKCZXJPQOR5ZD2I4GPDNP2DKRXMF/	[email protected]	Mailing List
https://lists.fedoraproject.org/archives/list/[email protected]/message/OH2ATH2BKDNKCJAU4WPPXK4SHLE3UJUV/	[email protected]	Mailing List
https://security.gentoo.org/glsa/202401-16	[email protected]

see all 17 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-787	Out-of-bounds Write	[email protected]

Affected Products

Product	Versions
freerdp freerdp	< 2.11.0 3.0.0 beta1 3.0.0 beta2
CPE cpe:2.3:a:freerdp:freerdp:::::::: cpe:2.3:a:freerdp:freerdp:3.0.0:beta1:::::: cpe:2.3:a:freerdp:freerdp:3.0.0:beta2:::::: Remediation No remediation found in references.
debian debian linux	10.0
CPE cpe:2.3:o:debian:debian_linux:10.0:::::::* Remediation No remediation found in references.
fedoraproject fedora	37 38 39
CPE cpe:2.3:o:fedoraproject:fedora:37:::::::* cpe:2.3:o:fedoraproject:fedora:38:::::::* cpe:2.3:o:fedoraproject:fedora:39:::::::* Remediation No remediation found in references.

Change History

11 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Nov 3, 2025	CVE Modified	CVE
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Jan 12, 2024	CVE Modified	[email protected]
Oct 18, 2023	Modified Analysis	[email protected]
Oct 7, 2023	CVE Modified	[email protected]
Sep 21, 2023	CVE Modified	[email protected]
Sep 21, 2023	CVE Modified	[email protected]
Sep 10, 2023	CVE Modified	[email protected]
Sep 7, 2023	Initial Analysis	[email protected]

CVE-2023-40567 Details

Description

Metrics

References to Advisories, Solutions, and Tools

Weakness Enumeration

Affected Products

CPE

Remediation

CPE

Remediation

CPE

Remediation

Change History

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