{"id":"UBUNTU-CVE-2023-40186","details":"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.","modified":"2026-02-04T03:52:21.819125Z","published":"2023-08-31T22:15:00Z","related":["USN-6401-1"],"upstream":["CVE-2023-40186"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-40186"},{"type":"REPORT","url":"https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-hcj4-3c3r-5j3v"},{"type":"REPORT","url":"https://github.com/FreeRDP/FreeRDP/blob/fee2b10ba1154f952769a53eb608f044782e22f8/libfreerdp/gdi/gfx.c#L1156-L1165"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-6401-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2023-40186"}],"affected":[{"package":{"name":"freerdp2","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/freerdp2@2.2.0+dfsg1-0ubuntu0.18.04.4+esm1?arch=source&distro=esm-infra/bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.2.0+dfsg1-0ubuntu0.18.04.4+esm1"}]}],"versions":["2.0.0~git20170725.1.1648deb+dfsg1-1","2.0.0~git20170725.1.1648deb+dfsg1-5","2.0.0~git20170725.1.1648deb+dfsg1-5ubuntu1","2.0.0~git20170725.1.1648deb+dfsg1-5ubuntu2","2.0.0~git20170725.1.1648deb+dfsg1-6","2.0.0~git20170725.1.1648deb+dfsg1-6build1","2.0.0~git20170725.1.1648deb+dfsg1-7","2.0.0~git20170725.1.1648deb+dfsg1-7ubuntu0.1","2.1.1+dfsg1-0ubuntu0.18.04.1","2.2.0+dfsg1-0ubuntu0.18.04.1","2.2.0+dfsg1-0ubuntu0.18.04.2","2.2.0+dfsg1-0ubuntu0.18.04.3","2.2.0+dfsg1-0ubuntu0.18.04.4"],"ecosystem_specific":{"binaries":[{"binary_version":"2.2.0+dfsg1-0ubuntu0.18.04.4+esm1","binary_name":"freerdp2-dev"},{"binary_version":"2.2.0+dfsg1-0ubuntu0.18.04.4+esm1","binary_name":"freerdp2-shadow-x11"},{"binary_version":"2.2.0+dfsg1-0ubuntu0.18.04.4+esm1","binary_name":"freerdp2-wayland"},{"binary_version":"2.2.0+dfsg1-0ubuntu0.18.04.4+esm1","binary_name":"freerdp2-x11"},{"binary_version":"2.2.0+dfsg1-0ubuntu0.18.04.4+esm1","binary_name":"libfreerdp-client2-2"},{"binary_version":"2.2.0+dfsg1-0ubuntu0.18.04.4+esm1","binary_name":"libfreerdp-server2-2"},{"binary_version":"2.2.0+dfsg1-0ubuntu0.18.04.4+esm1","binary_name":"libfreerdp-shadow-subsystem2-2"},{"binary_version":"2.2.0+dfsg1-0ubuntu0.18.04.4+esm1","binary_name":"libfreerdp-shadow2-2"},{"binary_version":"2.2.0+dfsg1-0ubuntu0.18.04.4+esm1","binary_name":"libfreerdp2-2"},{"binary_version":"2.2.0+dfsg1-0ubuntu0.18.04.4+esm1","binary_name":"libuwac0-0"},{"binary_version":"2.2.0+dfsg1-0ubuntu0.18.04.4+esm1","binary_name":"libuwac0-dev"},{"binary_version":"2.2.0+dfsg1-0ubuntu0.18.04.4+esm1","binary_name":"libwinpr-tools2-2"},{"binary_version":"2.2.0+dfsg1-0ubuntu0.18.04.4+esm1","binary_name":"libwinpr2-2"},{"binary_version":"2.2.0+dfsg1-0ubuntu0.18.04.4+esm1","binary_name":"libwinpr2-dev"},{"binary_version":"2.2.0+dfsg1-0ubuntu0.18.04.4+esm1","binary_name":"winpr-utils"}],"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-40186.json"}},{"package":{"name":"freerdp2","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/freerdp2@2.2.0+dfsg1-0ubuntu0.20.04.5?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.2.0+dfsg1-0ubuntu0.20.04.5"}]}],"versions":["2.0.0~git20190204.1.2693389a+dfsg1-1","2.0.0~git20190204.1.2693389a+dfsg1-2","2.0.0~git20190204.1.2693389a+dfsg1-2build1","2.0.0~git20190204.1.2693389a+dfsg1-2build2","2.1.1+dfsg1-0ubuntu0.20.04.1","2.2.0+dfsg1-0ubuntu0.20.04.1","2.2.0+dfsg1-0ubuntu0.20.04.2","2.2.0+dfsg1-0ubuntu0.20.04.3","2.2.0+dfsg1-0ubuntu0.20.04.4"],"ecosystem_specific":{"binaries":[{"binary_version":"2.2.0+dfsg1-0ubuntu0.20.04.5","binary_name":"freerdp2-dev"},{"binary_version":"2.2.0+dfsg1-0ubuntu0.20.04.5","binary_name":"freerdp2-shadow-x11"},{"binary_version":"2.2.0+dfsg1-0ubuntu0.20.04.5","binary_name":"freerdp2-wayland"},{"binary_version":"2.2.0+dfsg1-0ubuntu0.20.04.5","binary_name":"freerdp2-x11"},{"binary_version":"2.2.0+dfsg1-0ubuntu0.20.04.5","binary_name":"libfreerdp-client2-2"},{"binary_version":"2.2.0+dfsg1-0ubuntu0.20.04.5","binary_name":"libfreerdp-server2-2"},{"binary_version":"2.2.0+dfsg1-0ubuntu0.20.04.5","binary_name":"libfreerdp-shadow-subsystem2-2"},{"binary_version":"2.2.0+dfsg1-0ubuntu0.20.04.5","binary_name":"libfreerdp-shadow2-2"},{"binary_version":"2.2.0+dfsg1-0ubuntu0.20.04.5","binary_name":"libfreerdp2-2"},{"binary_version":"2.2.0+dfsg1-0ubuntu0.20.04.5","binary_name":"libuwac0-0"},{"binary_version":"2.2.0+dfsg1-0ubuntu0.20.04.5","binary_name":"libuwac0-dev"},{"binary_version":"2.2.0+dfsg1-0ubuntu0.20.04.5","binary_name":"libwinpr-tools2-2"},{"binary_version":"2.2.0+dfsg1-0ubuntu0.20.04.5","binary_name":"libwinpr2-2"},{"binary_version":"2.2.0+dfsg1-0ubuntu0.20.04.5","binary_name":"libwinpr2-dev"},{"binary_version":"2.2.0+dfsg1-0ubuntu0.20.04.5","binary_name":"winpr-utils"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-40186.json"}},{"package":{"name":"freerdp2","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/freerdp2@2.6.1+dfsg1-3ubuntu2.4?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.6.1+dfsg1-3ubuntu2.4"}]}],"versions":["2.3.0+dfsg1-2build1","2.3.0+dfsg1-2ubuntu1","2.3.0+dfsg1-2ubuntu2","2.4.1+dfsg1-1","2.4.1+dfsg1-1ubuntu1","2.4.1+dfsg1-1ubuntu2","2.5.0+dfsg1-1","2.6.0+dfsg1-1","2.6.1+dfsg1-1","2.6.1+dfsg1-3","2.6.1+dfsg1-3ubuntu1","2.6.1+dfsg1-3ubuntu2","2.6.1+dfsg1-3ubuntu2.1","2.6.1+dfsg1-3ubuntu2.2","2.6.1+dfsg1-3ubuntu2.3"],"ecosystem_specific":{"binaries":[{"binary_version":"2.6.1+dfsg1-3ubuntu2.4","binary_name":"freerdp2-dev"},{"binary_version":"2.6.1+dfsg1-3ubuntu2.4","binary_name":"freerdp2-shadow-x11"},{"binary_version":"2.6.1+dfsg1-3ubuntu2.4","binary_name":"freerdp2-wayland"},{"binary_version":"2.6.1+dfsg1-3ubuntu2.4","binary_name":"freerdp2-x11"},{"binary_version":"2.6.1+dfsg1-3ubuntu2.4","binary_name":"libfreerdp-client2-2"},{"binary_version":"2.6.1+dfsg1-3ubuntu2.4","binary_name":"libfreerdp-server2-2"},{"binary_version":"2.6.1+dfsg1-3ubuntu2.4","binary_name":"libfreerdp-shadow-subsystem2-2"},{"binary_version":"2.6.1+dfsg1-3ubuntu2.4","binary_name":"libfreerdp-shadow2-2"},{"binary_version":"2.6.1+dfsg1-3ubuntu2.4","binary_name":"libfreerdp2-2"},{"binary_version":"2.6.1+dfsg1-3ubuntu2.4","binary_name":"libuwac0-0"},{"binary_version":"2.6.1+dfsg1-3ubuntu2.4","binary_name":"libuwac0-dev"},{"binary_version":"2.6.1+dfsg1-3ubuntu2.4","binary_name":"libwinpr-tools2-2"},{"binary_version":"2.6.1+dfsg1-3ubuntu2.4","binary_name":"libwinpr2-2"},{"binary_version":"2.6.1+dfsg1-3ubuntu2.4","binary_name":"libwinpr2-dev"},{"binary_version":"2.6.1+dfsg1-3ubuntu2.4","binary_name":"winpr-utils"}],"availability":"No 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