{"api_version":"1","generated_at":"2026-04-18T04:18:08+00:00","cve":"CVE-2023-42822","urls":{"html":"https://cve.report/CVE-2023-42822","api":"https://cve.report/api/cve/CVE-2023-42822.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2023-42822","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2023-42822"},"summary":{"title":"CVE-2023-42822","description":"xrdp is an open source remote desktop protocol server. Access to the font glyphs in xrdp_painter.c is not bounds-checked . Since some of this data is controllable by the user, this can result in an out-of-bounds read within the xrdp executable. The vulnerability allows an out-of-bounds read within a potentially privileged process. On non-Debian platforms, xrdp tends to run as root. Potentially an out-of-bounds write can follow the out-of-bounds read. There is no denial-of-service impact, providing xrdp is running in forking mode. This issue has been addressed in release 0.9.23.1. 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There are no known workarounds for this vulnerability.","state":"PUBLIC","assigner":"security-advisories@github.com","published_at":"2023-09-27 18:15:00","updated_at":"2023-11-03 21:15:00"},"problem_types":["CWE-125"],"metrics":[],"references":[{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5FPGA4M7IYCP7OILDF2ZJEVSXUOFEFQ6/","name":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5FPGA4M7IYCP7OILDF2ZJEVSXUOFEFQ6/","refsource":"MISC","tags":[],"title":"[SECURITY] Fedora 39 Update: xrdp-0.9.23.1-1.fc39 - package-announce - Fedora Mailing-Lists","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://github.com/neutrinolabs/xrdp/commit/73acbe1f7957c65122b00de4d6f57a8d0d257c40","name":"https://github.com/neutrinolabs/xrdp/commit/73acbe1f7957c65122b00de4d6f57a8d0d257c40","refsource":"MISC","tags":[],"title":"Merge pull request from GHSA-2hjx-rm4f-r9hw · neutrinolabs/xrdp@73acbe1 · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PFGL22QQF65OIZRMCKUZCVJQCKGUBRYE/","name":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PFGL22QQF65OIZRMCKUZCVJQCKGUBRYE/","refsource":"MISC","tags":[],"title":"[SECURITY] Fedora 38 Update: xrdp-0.9.23.1-1.fc38 - package-announce - Fedora Mailing-Lists","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RTXODUR4ILM7ZPA6ZGY6VSK4BBSBMKGY/","name":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RTXODUR4ILM7ZPA6ZGY6VSK4BBSBMKGY/","refsource":"MISC","tags":[],"title":"[SECURITY] Fedora 37 Update: xrdp-0.9.23.1-1.fc37 - package-announce - Fedora Mailing-Lists","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://github.com/neutrinolabs/xrdp/security/advisories/GHSA-2hjx-rm4f-r9hw","name":"https://github.com/neutrinolabs/xrdp/security/advisories/GHSA-2hjx-rm4f-r9hw","refsource":"MISC","tags":[],"title":"Unchecked access to font glyph info · Advisory · neutrinolabs/xrdp · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://www.cve.org/CVERecord?id=CVE-2023-42822","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-42822","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2023","cve_id":"42822","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"fedoraproject","cpe5":"fedora","cpe6":"37","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2023","cve_id":"42822","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"fedoraproject","cpe5":"fedora","cpe6":"38","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2023","cve_id":"42822","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"neutrinolabs","cpe5":"xrdp","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[{"cve":"CVE-2023-42822","qid":"199917","title":"Ubuntu Security Notification for xrdp Vulnerabilities (USN-6474-1)"},{"cve":"CVE-2023-42822","qid":"284583","title":"Fedora Security Update for xrdp (FEDORA-2023-0ce6a8afe5)"},{"cve":"CVE-2023-42822","qid":"284584","title":"Fedora Security Update for xrdp (FEDORA-2023-c026222382)"},{"cve":"CVE-2023-42822","qid":"285237","title":"Fedora Security Update for xrdp (FEDORA-2023-b781647782)"},{"cve":"CVE-2023-42822","qid":"503364","title":"Alpine Linux Security Update for xrdp"},{"cve":"CVE-2023-42822","qid":"506280","title":"Alpine Linux Security Update for xrdp"},{"cve":"CVE-2023-42822","qid":"691308","title":"Free Berkeley Software Distribution (FreeBSD) Security Update for xrdp (af065e47-5d62-11ee-bbae-1c61b4739ac9)"},{"cve":"CVE-2023-42822","qid":"755344","title":"SUSE Enterprise Linux Security Update for xrdp (SUSE-SU-2023:4577-1)"},{"cve":"CVE-2023-42822","qid":"755478","title":"SUSE Enterprise Linux Security Update for xrdp (SUSE-SU-2023:4873-1)"}]},"source_records":{"cve_program":{"data_version":"4.0","data_type":"CVE","data_format":"MITRE","CVE_data_meta":{"ID":"CVE-2023-42822","ASSIGNER":"security-advisories@github.com","STATE":"PUBLIC"},"description":{"description_data":[{"lang":"eng","value":" xrdp is an open source remote desktop protocol server. Access to the font glyphs in xrdp_painter.c is not bounds-checked . Since some of this data is controllable by the user, this can result in an out-of-bounds read within the xrdp executable. The vulnerability allows an out-of-bounds read within a potentially privileged process. On non-Debian platforms, xrdp tends to run as root. Potentially an out-of-bounds write can follow the out-of-bounds read. There is no denial-of-service impact, providing xrdp is running in forking mode. This issue has been addressed in release 0.9.23.1. Users are advised to upgrade. 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