{"id":"UBUNTU-CVE-2023-40589","details":"FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. In affected versions there is a Global-Buffer-Overflow in the ncrush_decompress function. Feeding crafted input into this function can trigger the overflow which has only been shown to cause a crash. 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":"2026-02-04T03:32:36.311758Z","published":"2023-08-31T19:15:00Z","related":["USN-6401-1"],"upstream":["CVE-2023-40589"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-40589"},{"type":"REPORT","url":"https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-gc34-mw6m-g42x"},{"type":"REPORT","url":"https://github.com/FreeRDP/FreeRDP/commit/16141a30f983dd6f7a6e5b0356084171942c9416"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-6401-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2023-40589"}],"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_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","binary_version":"2.2.0+dfsg1-0ubuntu0.18.04.4+esm1"}],"availability":"Available with Ubuntu Pro (Infra-only): 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