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CVE-2023-40186 Details

Description

FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. Affected versions are subject to an IntegerOverflow leading to Out-Of-Bound Write Vulnerability in the `gdi_CreateSurface` function. This issue affects FreeRDP based clients only. FreeRDP proxies are not affected as image decoding is not done by a proxy. 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 issue.

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References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://github.com/FreeRDP/FreeRDP/blob/fee2b10ba1154f952769a53eb608f044782e22f8/libfreerdp/gdi/gfx.c#L1156-L1165 CVEIssue Tracking
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-hcj4-3c3r-5j3v CVEExploitVendor Advisory
https://lists.debian.org/debian-lts-announce/2023/10/msg00008.html CVEMailing 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/ CVEMailing List

see all 15 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-190Integer Overflow or Wraparound[email protected]
CWE-787Out-of-bounds Write[email protected]
CWE-190Integer Overflow or Wraparound[email protected]
CWE-787Out-of-bounds Write[email protected]

Affected Products

ProductVersions
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

QUICK INFO

CVE Dictionary Entry:
CVE-2023-40186
NVD Published Date:
Aug 31, 2023
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2023-40186 Details - Not Deferred