{"schemaVersion":3,"id":"CVE-2023-30576","aliases":["UBUNTU-CVE-2023-30576","CGA-9p68-25f3-g2cf","CGA-9x64-7g4c-whr4"],"status":"published","duplicateOf":null,"title":null,"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.","dates":{"published":"2023-06-07T08:06:54.840Z","modified":"2024-10-10T14:43:27.765Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":8.1,"severity":"high","version":"3.1","versionLabel":"v3.1","source":"NVD","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"CVE.org","score":6.8,"severity":"medium","vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"OSV · Ubuntu","score":8.1,"severity":"high","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","exploitability":5.6,"impact":9.8,"computed":true},{"version":"3.1","versionLabel":"v3.1","source":"OSV · Wolfi","score":6.8,"severity":"medium","vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N","exploitability":4.1,"impact":8.7,"computed":true},{"version":"3.1","versionLabel":"v3.1","source":"OSV · Chainguard","score":6.8,"severity":"medium","vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N","exploitability":4.1,"impact":8.7,"computed":true},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":8.1,"severity":"high","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.01113,"percentile":0.65437,"severity":"low","asOf":"2026-10-18T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-18T00:00:00.000Z","baselineScore":0.01113},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.01113,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.01113,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.01113,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.01113,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.01113,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.01113,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.01113,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.01113,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.01113,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.01113,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.01113,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.01113,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.01113,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.01113,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.01113,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.01113,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.01113,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.01113,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.01113,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.01113,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.01113,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.01113,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.01113,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.01113,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.01113,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.01113,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.01113,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.01113,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.01113,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.01113,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.01113,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.01113,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.01113,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.01113,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.01113,"percentile":0.65437}],"last30":[{"date":"2026-09-18T00:00:00.000Z","score":0.01113,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.01113,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.01113,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.01113,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.01113,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.01113,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.01113,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.01113,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.01113,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.01113,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.01113,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.01113,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.01113,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.01113,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.01113,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.01113,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.01113,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.01113,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.01113,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.01113,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.01113,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.01113,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.01113,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.01113,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.01113,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.01113,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.01113,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.01113,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.01113,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.01113,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.01113,"percentile":0.65437}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[{"id":"CWE-416","name":"Use After Free","description":"The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory \"belongs\" to the code that operates on the new pointer.","type":"weakness","status":"Stable","abstraction":"Variant","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/416.html"}],"affected":[{"vendor":"apache software foundation","product":"apache guacamole","name":"Apache Guacamole","label":"apache guacamole","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ 0.9.10, ≤ 1.5.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 0.9.10, ≤ 1.5.1","eol":null,"hubHref":"/vendor/apache_software_foundation/apache_guacamole"},{"vendor":"apache","product":"guacamole","name":"guacamole","label":"guacamole","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ 0.9.0, < 1.5.2","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 0.9.0, < 1.5.2","eol":null,"hubHref":"/vendor/apache/guacamole"},{"vendor":"chainguard","product":"guacamole-server","name":"guacamole-server","label":"guacamole-server","ecosystem":"Chainguard","cpePart":null,"purl":"pkg:apk/chainguard/guacamole-server","purlType":"apk","versions":[{"text":"All versions","noFixRecorded":true,"fixedIn":null}],"versionsText":"All versions (No fix recorded)","eol":null,"hubHref":null},{"vendor":"wolfi","product":"guacamole-server","name":"guacamole-server","label":"guacamole-server","ecosystem":"Wolfi","cpePart":null,"purl":"pkg:apk/wolfi/guacamole-server","purlType":"apk","versions":[{"text":"All versions","noFixRecorded":true,"fixedIn":null}],"versionsText":"All versions (No fix recorded)","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"guacamole-client","name":"guacamole-client","label":"guacamole-client","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/guacamole-client","purlType":"deb","versions":[{"text":"All versions","noFixRecorded":true,"fixedIn":null}],"versionsText":"All versions (No fix recorded)","eol":null,"hubHref":null}],"affectedCount":5,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://lists.apache.org/thread/vgtvxb3w7mm84hx6v8dfc0onsoz05gb6","label":"lists.apache.org/thread/vgtvxb3w7mm84hx6v8dfc0onsoz05gb6","hostname":"lists.apache.org","tags":["Vendor Advisory","REPORT","Advisory","Mailing List"]},{"url":"https://ubuntu.com/security/CVE-2023-30576","label":"ubuntu.com/security/CVE-2023-30576","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2023-30576","label":"www.cve.org/CVERecord?id=CVE-2023-30576","hostname":"www.cve.org","tags":["REPORT"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/30xxx/CVE-2023-30576.json","label":"github.com/CVEProject/cvelistV5/tree/main/cves/2023/30xxx/CVE-2023-30576.json","hostname":"github.com","tags":["Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-30576","label":"nvd.nist.gov/vuln/detail/CVE-2023-30576","hostname":"nvd.nist.gov","tags":["Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":["CGA-59XR-QWJV-88WH","CGA-RRV4-C35Q-6P9C"]},"timeline":[{"kind":"published","date":"2023-06-07T08:06:54.840Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-10-10T14:43:27.765Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":33,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-19T04:41:23.733Z","stale":false,"partial":false}}