{"api_version":"1","generated_at":"2026-04-22T21:27:15+00:00","cve":"CVE-2023-6816","urls":{"html":"https://cve.report/CVE-2023-6816","api":"https://cve.report/api/cve/CVE-2023-6816.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2023-6816","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2023-6816"},"summary":{"title":"CVE-2023-6816","description":"Description unavailable.","state":"PUBLISHED","assigner":"","published_at":"2024-01-18 05:15:00","updated_at":"2024-02-04 20:15:00"},"problem_types":["CWE-787"],"metrics":[],"references":[{"url":"https://access.redhat.com/errata/RHSA-2024:0557","name":"RHSA-2024:0557","refsource":"","tags":[],"title":"Red Hat","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/EJBMCWQ54R6ZL3MYU2D2JBW6JMZL7BQW/","name":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/EJBMCWQ54R6ZL3MYU2D2JBW6JMZL7BQW/","refsource":"","tags":["Mailing List"],"title":"[SECURITY] Fedora 39 Update: tigervnc-1.13.1-11.fc39 - package-announce - Fedora Mailing-Lists","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://www.openwall.com/lists/oss-security/2024/01/18/1","name":"http://www.openwall.com/lists/oss-security/2024/01/18/1","refsource":"","tags":["Mailing List","Patch"],"title":"oss-security - Fwd: X.Org Security Advisory: Issues in X.Org X server prior to\n 21.1.11 and Xwayland prior to 23.2.4","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2257691","name":"RHBZ#2257691","refsource":"","tags":["Issue Tracking"],"title":"2257691 – (CVE-2023-6816) CVE-2023-6816 xorg-x11-server: Heap buffer overflow in DeviceFocusEvent and ProcXIQueryPointer","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://access.redhat.com/errata/RHSA-2024:0558","name":"RHSA-2024:0558","refsource":"","tags":[],"title":"Red Hat","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://access.redhat.com/errata/RHSA-2024:0617","name":"RHSA-2024:0617","refsource":"","tags":[],"title":"Red Hat","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://access.redhat.com/errata/RHSA-2024:0597","name":"RHSA-2024:0597","refsource":"","tags":[],"title":"Red Hat","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://access.redhat.com/errata/RHSA-2024:0621","name":"RHSA-2024:0621","refsource":"","tags":[],"title":"Red Hat","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://lists.debian.org/debian-lts-announce/2024/01/msg00016.html","name":"https://lists.debian.org/debian-lts-announce/2024/01/msg00016.html","refsource":"","tags":["Mailing List"],"title":"[SECURITY] [DLA 3721-1] xorg-server security update","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://access.redhat.com/errata/RHSA-2024:0629","name":"RHSA-2024:0629","refsource":"","tags":[],"title":"Red Hat","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://access.redhat.com/errata/RHSA-2024:0320","name":"RHSA-2024:0320","refsource":"","tags":["Third Party Advisory"],"title":"Red Hat","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://security.gentoo.org/glsa/202401-30","name":"https://security.gentoo.org/glsa/202401-30","refsource":"","tags":[],"title":"X.Org X Server, XWayland: Multiple Vulnerabilities (GLSA 202401-30) — Gentoo security","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://access.redhat.com/security/cve/CVE-2023-6816","name":"https://access.redhat.com/security/cve/CVE-2023-6816","refsource":"","tags":["Third Party Advisory"],"title":"cve-details","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://access.redhat.com/errata/RHSA-2024:0626","name":"RHSA-2024:0626","refsource":"","tags":[],"title":"Red Hat","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5J4H7CH565ALSZZYKOJFYDA5KFLG6NUK/","name":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5J4H7CH565ALSZZYKOJFYDA5KFLG6NUK/","refsource":"","tags":["Mailing List"],"title":"[SECURITY] Fedora 39 Update: xorg-x11-server-Xwayland-23.2.4-1.fc39 - package-announce - Fedora Mailing-Lists","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://access.redhat.com/errata/RHSA-2024:0607","name":"RHSA-2024:0607","refsource":"","tags":[],"title":"Red Hat","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://access.redhat.com/errata/RHSA-2024:0614","name":"RHSA-2024:0614","refsource":"","tags":[],"title":"Red Hat","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2023-6816","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-6816","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2023","cve_id":"6816","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"debian","cpe5":"debian_linux","cpe6":"10.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2023","cve_id":"6816","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"fedoraproject","cpe5":"fedora","cpe6":"39","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2023","cve_id":"6816","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"redhat","cpe5":"enterprise_linux_desktop","cpe6":"7.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2023","cve_id":"6816","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"redhat","cpe5":"enterprise_linux_server","cpe6":"7.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2023","cve_id":"6816","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"redhat","cpe5":"enterprise_linux_workstation","cpe6":"7.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2023","cve_id":"6816","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"x.org","cpe5":"xorg-server","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2023","cve_id":"6816","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"x.org","cpe5":"xwayland","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[{"cve":"CVE-2023-6816","qid":"161304","title":"Oracle Enterprise Linux Security Update for xorg-x11-server (ELSA-2024-0320)"},{"cve":"CVE-2023-6816","qid":"161327","title":"Oracle Enterprise Linux Security Update for tigervnc (ELSA-2024-0557)"},{"cve":"CVE-2023-6816","qid":"161328","title":"Oracle Enterprise Linux Security Update for tigervnc (ELSA-2024-0607)"},{"cve":"CVE-2023-6816","qid":"161332","title":"Oracle Enterprise Linux Security Update for tigervnc (ELSA-2024-0629)"},{"cve":"CVE-2023-6816","qid":"200051","title":"Ubuntu Security Notification for X.Org X Server Vulnerabilities (USN-6587-1)"},{"cve":"CVE-2023-6816","qid":"200058","title":"Ubuntu Security Notification for X.Org X Server Vulnerabilities (USN-6587-2)"},{"cve":"CVE-2023-6816","qid":"200193","title":"Ubuntu Security Notification for X.Org X Server Vulnerabilities (USN-6587-5)"},{"cve":"CVE-2023-6816","qid":"242726","title":"Red Hat Update for xorg-x11-server (RHSA-2024:0320)"},{"cve":"CVE-2023-6816","qid":"242772","title":"Red Hat Update for tigervnc (RHSA-2024:0558)"},{"cve":"CVE-2023-6816","qid":"242774","title":"Red Hat Update for tigervnc (RHSA-2024:0597)"},{"cve":"CVE-2023-6816","qid":"242782","title":"Red Hat Update for tigervnc (RHSA-2024:0607)"},{"cve":"CVE-2023-6816","qid":"242793","title":"Red Hat Update for tigervnc (RHSA-2024:0617)"},{"cve":"CVE-2023-6816","qid":"242794","title":"Red Hat Update for tigervnc (RHSA-2024:0614)"},{"cve":"CVE-2023-6816","qid":"242808","title":"Red Hat Update for tigervnc (RHSA-2024:0621)"},{"cve":"CVE-2023-6816","qid":"242812","title":"Red Hat Update for tigervnc (RHSA-2024:0626)"},{"cve":"CVE-2023-6816","qid":"242825","title":"Red Hat Update for tigervnc (RHSA-2024:0629)"},{"cve":"CVE-2023-6816","qid":"242833","title":"Red Hat Update for tigervnc (RHSA-2024:0557)"},{"cve":"CVE-2023-6816","qid":"257302","title":"CentOS Security Update for xorg-x11-server (CESA-2024:0320)"},{"cve":"CVE-2023-6816","qid":"257305","title":"CentOS Security Update for tigervnc (CESA-2024:0629)"},{"cve":"CVE-2023-6816","qid":"284893","title":"Fedora Security Update for xorg (FEDORA-2024-05db4bcbec)"},{"cve":"CVE-2023-6816","qid":"285034","title":"Fedora Security Update for tigervnc (FEDORA-2024-5762d637dd)"},{"cve":"CVE-2023-6816","qid":"285036","title":"Fedora Security Update for xorg (FEDORA-2024-da3d410b53)"},{"cve":"CVE-2023-6816","qid":"357225","title":"Amazon Linux Security Advisory for xorg-x11-server : ALAS2-2024-2455"},{"cve":"CVE-2023-6816","qid":"357249","title":"Amazon Linux Security Advisory for xorg-x11-server : ALAS2023-2024-522"},{"cve":"CVE-2023-6816","qid":"510677","title":"Alpine Linux Security Update for xorg-server"},{"cve":"CVE-2023-6816","qid":"510678","title":"Alpine Linux Security Update for xwayland"},{"cve":"CVE-2023-6816","qid":"6000440","title":"Debian Security Update for xorg-server (DSA 5603-1)"},{"cve":"CVE-2023-6816","qid":"6000449","title":"Debian Security Update for xorg-server (DLA 3721-1)"},{"cve":"CVE-2023-6816","qid":"673399","title":"EulerOS Security Update for xorg-x11-server (EulerOS-SA-2024-1352)"},{"cve":"CVE-2023-6816","qid":"673626","title":"EulerOS Security Update for xorg-x11-server (EulerOS-SA-2024-1232)"},{"cve":"CVE-2023-6816","qid":"673929","title":"EulerOS Security Update for xorg-x11-server (EulerOS-SA-2024-1254)"},{"cve":"CVE-2023-6816","qid":"673935","title":"EulerOS Security Update for xorg-x11-server (EulerOS-SA-2024-1330)"},{"cve":"CVE-2023-6816","qid":"674121","title":"EulerOS Security Update for xorg-x11-server (EulerOS-SA-2024-1522)"},{"cve":"CVE-2023-6816","qid":"674159","title":"EulerOS Security Update for xorg-x11-server (EulerOS-SA-2024-1501)"},{"cve":"CVE-2023-6816","qid":"691397","title":"Free Berkeley Software Distribution (FreeBSD) Security Update for xorg server (7467c611-b490-11ee-b903-001fc69cd6dc)"},{"cve":"CVE-2023-6816","qid":"710847","title":"Gentoo Linux X.Org X Server, XWayland Multiple Vulnerabilities (GLSA 202401-30)"},{"cve":"CVE-2023-6816","qid":"755633","title":"SUSE Enterprise Linux Security Update for xwayland (SUSE-SU-2024:0165-1)"},{"cve":"CVE-2023-6816","qid":"908035","title":"Common Base Linux Mariner (CBL-Mariner) Security Update for xorg-x11-server (33353)"},{"cve":"CVE-2023-6816","qid":"941559","title":"AlmaLinux Security Update for tigervnc (ALSA-2024:0607)"},{"cve":"CVE-2023-6816","qid":"941561","title":"AlmaLinux Security Update for tigervnc (ALSA-2024:0557)"},{"cve":"CVE-2023-6816","qid":"961113","title":"Rocky Linux Security Update for tigervnc (RLSA-2024:0607)"}]},"source_records":{"cve_program":null,"nvd":{"publishedDate":"2024-01-18 05:15:00","lastModifiedDate":"2024-02-04 20:15:00","problem_types":["CWE-787"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseScore":9.8,"baseSeverity":"CRITICAL"},"exploitabilityScore":3.9,"impactScore":5.9}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:x.org:xwayland:*:*:*:*:*:*:*:*","versionEndExcluding":"23.2.4","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:x.org:xorg-server:*:*:*:*:*:*:*:*","versionEndExcluding":"21.1.11","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:fedoraproject:fedora:39:*:*:*:*:*:*:*","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*","cpe_name":[]}]}]}},"legacy_mitre":{"record":null,"notes":[]}}}