{"id":"CVE-2023-30576","aliases":["BIT-guacamole-2023-30576","BIT-guacamole-server-2023-30576","EUVD-2023-34957","GHSA-q7pp-7w87-cjxp","UBUNTU-CVE-2023-30576"],"status":"published","title":"Apache Guacamole: Use-after-free in handling of RDP audio input buffer","description":"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.","severity":{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.01113,"percentile":0.66267,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-416"],"published":"2023-06-07T08:06:54Z","modified":"2026-10-28T02:31:03Z","fixes":[{"ecosystem":"Bitnami","package":"guacamole","fixed_in":["1.5.2"],"sources":["osv"]},{"ecosystem":"Bitnami","package":"guacamole-server","fixed_in":["1.5.2"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Bitnami","package":"guacamole","ranges":[{"type":"SEMVER","events":[{"introduced":"0.9.0"},{"fixed":"1.5.2"}]}]},{"source":"osv","ecosystem":"Bitnami","package":"guacamole-server","ranges":[{"type":"SEMVER","events":[{"introduced":"0.9.0"},{"fixed":"1.5.2"}]}]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"guacamole-client","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.8.3-1.1","0.8.3-1.2"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"guacamole-client","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.9.9+dfsg-1"]}],"products":[{"vendor":"apache","product":"guacamole"},{"vendor":"apache software foundation","product":"apache guacamole"}],"references":[{"url":"https://lists.apache.org/thread/vgtvxb3w7mm84hx6v8dfc0onsoz05gb6","tags":["vendor-advisory","x_transferred","Mailing List","Vendor Advisory","web","advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-30576","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-q7pp-7w87-cjxp"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/30xxx/CVE-2023-30576.json","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2023-30576","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2023-30576","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2023-30576","title":"Apache Guacamole: Use-after-free in handling of RDP audio input buffer","description":"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.\n\n","status":"published","published":"2023-06-07T08:06:54.84Z","modified":"2024-10-10T14:43:27.765Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:35:22.309324Z"}],"euvd":[{"id":"EUVD-2023-34957","description":"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.\n\n","status":"published","published":"2023-06-07T08:06:54Z","modified":"2024-10-10T14:43:27Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N","level":"medium"}],"updated_at":"2026-11-03T00:27:41.519615Z"}],"ghsa":[{"id":"GHSA-q7pp-7w87-cjxp","title":"Apache Guacamole 0.9.10 through 1.5.1 may continue to reference a freed RDP audio input buffer....","description":"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.\n\n","status":"published","published":"2023-06-07T09:30:32Z","modified":"2024-04-04T04:39:15Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N","level":"medium"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:56:26.167088Z"}],"nvd":[{"id":"CVE-2023-30576","description":"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.\n\n","status":"published","published":"2023-06-07T09:15:10.08Z","modified":"2026-06-17T05:55:03.59Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:08:05.329837Z"}],"osv":[{"id":"CVE-2023-30576","title":"Apache Guacamole: Use-after-free in handling of RDP audio input buffer","description":"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.\n\n","status":"published","published":"2023-06-07T08:06:54.84Z","modified":"2026-10-28T02:31:03.499426637Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N","level":"medium"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T15:44:31.790231Z"},{"id":"UBUNTU-CVE-2023-30576","description":"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.","status":"published","published":"2023-06-07T09:15:00Z","modified":"2025-10-24T05:01:56Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N","level":"medium"},{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T16:54:20.997471Z"},{"id":"BIT-guacamole-2023-30576","description":"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.","status":"published","published":"2024-03-06T10:53:02.18Z","modified":"2024-03-06T11:25:28.861Z","updated_at":"2026-11-02T15:28:31.02759Z"},{"id":"BIT-guacamole-server-2023-30576","description":"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.","status":"published","published":"2024-03-06T10:53:01.803Z","modified":"2024-03-06T11:25:28.861Z","updated_at":"2026-11-02T15:28:31.02759Z"}]}}