{"id":"UBUNTU-CVE-2023-30576","details":"Apache Guacamole 0.9.10 through 1.5.1 may continue to reference a freed RDP audio input buffer. Depending on timing, this may allow an attacker to execute arbitrary code with the privileges of the guacd process.","modified":"2025-10-24T05:01:56Z","published":"2023-06-07T09:15:00Z","upstream":["CVE-2023-30576"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-30576"},{"type":"REPORT","url":"https://lists.apache.org/thread/vgtvxb3w7mm84hx6v8dfc0onsoz05gb6"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2023-30576"}],"affected":[{"package":{"name":"guacamole-client","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/guacamole-client@0.8.3-1.2?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.8.3-1.1","0.8.3-1.2"],"ecosystem_specific":{"binaries":[{"binary_version":"0.8.3-1.2","binary_name":"guacamole"},{"binary_name":"guacamole-tomcat","binary_version":"0.8.3-1.2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-30576.json"}},{"package":{"name":"guacamole-client","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/guacamole-client@0.9.9+dfsg-1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.9.9+dfsg-1"],"ecosystem_specific":{"binaries":[{"binary_name":"guacamole","binary_version":"0.9.9+dfsg-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-30576.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}