{"id":"UBUNTU-CVE-2026-27951","details":"FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.23.0, the function `Stream_EnsureCapacity` can create an endless blocking loop. This may affect all client and server implementations using `FreeRDP`. For practical exploitation this will only work on 32bit systems where the available physical memory is `\u003e= SIZE_MAX`. Version 3.23.0 contains a patch. No known workarounds are available.","modified":"2026-03-20T08:44:09.366255Z","published":"2026-02-25T22:16:00Z","related":["USN-8105-1","USN-8105-2"],"upstream":["CVE-2026-27951"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-27951"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2026-27951"},{"type":"REPORT","url":"https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-qcfc-ghxr-h927"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8105-1"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8105-2"}],"affected":[{"package":{"name":"freerdp","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/freerdp@1.1.0~git20140921.1.440916e+dfsg1-5ubuntu1.4?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.1.0~git20140921.1.440916e+dfsg1-5ubuntu1","1.1.0~git20140921.1.440916e+dfsg1-5ubuntu1.2","1.1.0~git20140921.1.440916e+dfsg1-5ubuntu1.3","1.1.0~git20140921.1.440916e+dfsg1-5ubuntu1.4"],"ecosystem_specific":{"binaries":[{"binary_name":"freerdp-x11","binary_version":"1.1.0~git20140921.1.440916e+dfsg1-5ubuntu1.4"},{"binary_name":"libfreerdp-cache1.1","binary_version":"1.1.0~git20140921.1.440916e+dfsg1-5ubuntu1.4"},{"binary_name":"libfreerdp-client1.1","binary_version":"1.1.0~git20140921.1.440916e+dfsg1-5ubuntu1.4"},{"binary_name":"libfreerdp-codec1.1","binary_version":"1.1.0~git20140921.1.440916e+dfsg1-5ubuntu1.4"},{"binary_name":"libfreerdp-common1.1.0","binary_version":"1.1.0~git20140921.1.440916e+dfsg1-5ubuntu1.4"},{"binary_name":"libfreerdp-core1.1","binary_version":"1.1.0~git20140921.1.440916e+dfsg1-5ubuntu1.4"},{"binary_name":"libfreerdp-crypto1.1","binary_version":"1.1.0~git20140921.1.440916e+dfsg1-5ubuntu1.4"},{"binary_name":"libfreerdp-dev","binary_version":"1.1.0~git20140921.1.440916e+dfsg1-5ubuntu1.4"},{"binary_name":"libfreerdp-gdi1.1","binary_version":"1.1.0~git20140921.1.440916e+dfsg1-5ubuntu1.4"},{"binary_name":"libfreerdp-locale1.1","binary_version":"1.1.0~git20140921.1.440916e+dfsg1-5ubuntu1.4"},{"binary_name":"libfreerdp-plugins-standard","binary_version":"1.1.0~git20140921.1.440916e+dfsg1-5ubuntu1.4"},{"binary_name":"libfreerdp-primitives1.1","binary_version":"1.1.0~git20140921.1.440916e+dfsg1-5ubuntu1.4"},{"binary_name":"libfreerdp-rail1.1","binary_version":"1.1.0~git20140921.1.440916e+dfsg1-5ubuntu1.4"},{"binary_name":"libfreerdp-utils1.1","binary_version":"1.1.0~git20140921.1.440916e+dfsg1-5ubuntu1.4"},{"binary_name":"libwinpr-asn1-0.1","binary_version":"1.1.0~git20140921.1.440916e+dfsg1-5ubuntu1.4"},{"binary_name":"libwinpr-bcrypt0.1","binary_version":"1.1.0~git20140921.1.440916e+dfsg1-5ubuntu1.4"},{"binary_name":"libwinpr-credentials0.1","binary_version":"1.1.0~git20140921.1.440916e+dfsg1-5ubuntu1.4"},{"binary_name":"libwinpr-credui0.1","binary_version":"1.1.0~git20140921.1.440916e+dfsg1-5ubuntu1.4"},{"binary_name":"libwinpr-crt0.1","binary_version":"1.1.0~git20140921.1.440916e+dfsg1-5ubuntu1.4"},{"binary_name":"libwinpr-crypto0.1","binary_version":"1.1.0~git20140921.1.440916e+dfsg1-5ubuntu1.4"},{"binary_name":"libwinpr-dev","binary_version":"1.1.0~git20140921.1.440916e+dfsg1-5ubuntu1.4"},{"binary_name":"libwinpr-dsparse0.1","binary_version":"1.1.0~git20140921.1.440916e+dfsg1-5ubuntu1.4"},{"binary_name":"libwinpr-environment0.1","binary_version":"1.1.0~git20140921.1.440916e+dfsg1-5ubuntu1.4"},{"binary_name":"libwinpr-error0.1","binary_version":"1.1.0~git20140921.1.440916e+dfsg1-5ubuntu1.4"},{"binary_name":"libwinpr-file0.1","binary_version":"1.1.0~git20140921.1.440916e+dfsg1-5ubuntu1.4"},{"binary_name":"libwinpr-handle0.1","binary_version":"1.1.0~git20140921.1.440916e+dfsg1-5ubuntu1.4"},{"binary_name":"libwinpr-heap0.1","binary_version":"1.1.0~git20140921.1.440916e+dfsg1-5ubuntu1.4"},{"binary_name":"libwinpr-input0.1","binary_version":"1.1.0~git20140921.1.440916e+dfsg1-5ubuntu1.4"},{"binary_name":"libwinpr-interlocked0.1","binary_version":"1.1.0~git20140921.1.440916e+dfsg1-5ubuntu1.4"},{"binary_name":"libwinpr-io0.1","binary_version":"1.1.0~git20140921.1.440916e+dfsg1-5ubuntu1.4"},{"binary_name":"libwinpr-library0.1","binary_version":"1.1.0~git20140921.1.440916e+dfsg1-5ubuntu1.4"},{"binary_name":"libwinpr-path0.1","binary_version":"1.1.0~git20140921.1.440916e+dfsg1-5ubuntu1.4"},{"binary_name":"libwinpr-pipe0.1","binary_version":"1.1.0~git20140921.1.440916e+dfsg1-5ubuntu1.4"},{"binary_name":"libwinpr-pool0.1","binary_version":"1.1.0~git20140921.1.440916e+dfsg1-5ubuntu1.4"},{"binary_name":"libwinpr-registry0.1","binary_version":"1.1.0~git20140921.1.440916e+dfsg1-5ubuntu1.4"},{"binary_name":"libwinpr-rpc0.1","binary_version":"1.1.0~git20140921.1.440916e+dfsg1-5ubuntu1.4"},{"binary_name":"libwinpr-sspi0.1","binary_version":"1.1.0~git20140921.1.440916e+dfsg1-5ubuntu1.4"},{"binary_name":"libwinpr-sspicli0.1","binary_version":"1.1.0~git20140921.1.440916e+dfsg1-5ubuntu1.4"},{"binary_name":"libwinpr-synch0.1","binary_version":"1.1.0~git20140921.1.440916e+dfsg1-5ubuntu1.4"},{"binary_name":"libwi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