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    Related vulnerabilities

    ALSA-2026:85191

    Vulnerability from osv_almalinux – Published: 2026-10-19 00:00 – Updated: 2026-10-20 09:09 – Source website
    VLAI
    Summary
    Important: xorg-x11-server-Xwayland security update
    Details

    Xwayland is an X server for running X clients under Wayland.

    Security Fix(es):

    • xorg-x11-server: xorg-x11-server: Arbitrary code execution via use-after-free in passive grab handling (CVE-2026-93516)
    • xorg-x11-server: xorg-x11-server: Privilege escalation via crafted RandR provider property requests (CVE-2026-93521)
    • xorg-x11-server: xwayland: xorg-x11-server: Arbitrary code execution via double-free in XKB geometry handling (CVE-2026-88812)
    • xorg-x11-server: xorg-x11-server: Out-of-bounds write via unvalidated modifier in ProcXIPassiveUngrabDevice (CVE-2026-93523)
    • xorg-x11-server: glamor: size tmp_bits buffer for source coordinate range in upload_boxes (CVE-2026-93522)
    • xorg-x11-server: xorg-x11-server: arbitrary code execution via GLX RenderLarge heap-based buffer overflow (CVE-2026-93517)
    • xorg-x11-server: xorg-x11-server: arbitrary code execution via integer truncation during keyboard mapping resize (CVE-2026-93518)
    • xorg-x11-server: xorg-x11-server: Arbitrary code execution via buffer overflow in input_constrain_cursor() (CVE-2026-93519)
    • xorg-x11-server: xorg-x11-server: arbitrary code execution via out-of-bounds write in XKB keycode handling (CVE-2026-93520)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.


    {
      "affected": [
        {
          "package": {
            "ecosystem": "AlmaLinux:10",
            "name": "xorg-x11-server-Xwayland"
          },
          "ranges": [
            {
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "24.1.9-4.el10_2.4"
                }
              ],
              "type": "ECOSYSTEM"
            }
          ]
        },
        {
          "package": {
            "ecosystem": "AlmaLinux:10",
            "name": "xorg-x11-server-Xwayland-devel"
          },
          "ranges": [
            {
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "24.1.9-4.el10_2.4"
                }
              ],
              "type": "ECOSYSTEM"
            }
          ]
        }
      ],
      "details": "Xwayland is an X server for running X clients under Wayland.  \n\nSecurity Fix(es):  \n\n  * xorg-x11-server: xorg-x11-server: Arbitrary code execution via use-after-free in passive grab handling (CVE-2026-93516)\n  * xorg-x11-server: xorg-x11-server: Privilege escalation via crafted RandR provider property requests (CVE-2026-93521)\n  * xorg-x11-server: xwayland: xorg-x11-server: Arbitrary code execution via double-free in XKB geometry handling (CVE-2026-88812)\n  * xorg-x11-server: xorg-x11-server: Out-of-bounds write via unvalidated modifier in ProcXIPassiveUngrabDevice (CVE-2026-93523)\n  * xorg-x11-server: glamor: size tmp_bits buffer for source coordinate range in upload_boxes (CVE-2026-93522)\n  * xorg-x11-server: xorg-x11-server: arbitrary code execution via GLX RenderLarge heap-based buffer overflow (CVE-2026-93517)\n  * xorg-x11-server: xorg-x11-server: arbitrary code execution via integer truncation during keyboard mapping resize (CVE-2026-93518)\n  * xorg-x11-server: xorg-x11-server: Arbitrary code execution via buffer overflow in input_constrain_cursor() (CVE-2026-93519)\n  * xorg-x11-server: xorg-x11-server: arbitrary code execution via out-of-bounds write in XKB keycode handling (CVE-2026-93520)\n\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n",
      "id": "ALSA-2026:85191",
      "modified": "2026-10-20T09:09:45Z",
      "published": "2026-10-19T00:00:00Z",
      "references": [
        {
          "type": "ADVISORY",
          "url": "https://access.redhat.com/errata/RHSA-2026:85191"
        },
        {
          "type": "REPORT",
          "url": "https://access.redhat.com/security/cve/CVE-2026-88812"
        },
        {
          "type": "REPORT",
          "url": "https://access.redhat.com/security/cve/CVE-2026-93516"
        },
        {
          "type": "REPORT",
          "url": "https://access.redhat.com/security/cve/CVE-2026-93517"
        },
        {
          "type": "REPORT",
          "url": "https://access.redhat.com/security/cve/CVE-2026-93518"
        },
        {
          "type": "REPORT",
          "url": "https://access.redhat.com/security/cve/CVE-2026-93519"
        },
        {
          "type": "REPORT",
          "url": "https://access.redhat.com/security/cve/CVE-2026-93520"
        },
        {
          "type": "REPORT",
          "url": "https://access.redhat.com/security/cve/CVE-2026-93521"
        },
        {
          "type": "REPORT",
          "url": "https://access.redhat.com/security/cve/CVE-2026-93522"
        },
        {
          "type": "REPORT",
          "url": "https://access.redhat.com/security/cve/CVE-2026-93523"
        },
        {
          "type": "REPORT",
          "url": "https://bugzilla.redhat.com/2545161"
        },
        {
          "type": "REPORT",
          "url": "https://bugzilla.redhat.com/2545164"
        },
        {
          "type": "REPORT",
          "url": "https://bugzilla.redhat.com/2545174"
        },
        {
          "type": "REPORT",
          "url": "https://bugzilla.redhat.com/2545177"
        },
        {
          "type": "REPORT",
          "url": "https://bugzilla.redhat.com/2545178"
        },
        {
          "type": "REPORT",
          "url": "https://bugzilla.redhat.com/2545246"
        },
        {
          "type": "REPORT",
          "url": "https://bugzilla.redhat.com/2545860"
        },
        {
          "type": "REPORT",
          "url": "https://bugzilla.redhat.com/2545887"
        },
        {
          "type": "REPORT",
          "url": "https://bugzilla.redhat.com/2545908"
        },
        {
          "type": "ADVISORY",
          "url": "https://errata.almalinux.org/10/ALSA-2026-85191.html"
        }
      ],
      "related": [
        "CVE-2026-93516",
        "CVE-2026-93521",
        "CVE-2026-88812",
        "CVE-2026-93523",
        "CVE-2026-93522",
        "CVE-2026-93517",
        "CVE-2026-93518",
        "CVE-2026-93519",
        "CVE-2026-93520"
      ],
      "summary": "Important: xorg-x11-server-Xwayland security update"
    }

    ALSA-2026:85193

    Vulnerability from osv_almalinux – Published: 2026-10-19 00:00 – Updated: 2026-10-20 09:07 – Source website
    VLAI
    Summary
    Important: xorg-x11-server-Xwayland security update
    Details

    Xwayland is an X server for running X clients under Wayland.

    Security Fix(es):

    • xorg-x11-server: xorg-x11-server: Arbitrary code execution via use-after-free in passive grab handling (CVE-2026-93516)
    • xorg-x11-server: xorg-x11-server: Privilege escalation via crafted RandR provider property requests (CVE-2026-93521)
    • xorg-x11-server: xwayland: xorg-x11-server: Arbitrary code execution via double-free in XKB geometry handling (CVE-2026-88812)
    • xorg-x11-server: xorg-x11-server: Out-of-bounds write via unvalidated modifier in ProcXIPassiveUngrabDevice (CVE-2026-93523)
    • xorg-x11-server: glamor: size tmp_bits buffer for source coordinate range in upload_boxes (CVE-2026-93522)
    • xorg-x11-server: xorg-x11-server: arbitrary code execution via GLX RenderLarge heap-based buffer overflow (CVE-2026-93517)
    • xorg-x11-server: xorg-x11-server: arbitrary code execution via integer truncation during keyboard mapping resize (CVE-2026-93518)
    • xorg-x11-server: xorg-x11-server: Arbitrary code execution via buffer overflow in input_constrain_cursor() (CVE-2026-93519)
    • xorg-x11-server: xorg-x11-server: arbitrary code execution via out-of-bounds write in XKB keycode handling (CVE-2026-93520)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.


    {
      "affected": [
        {
          "package": {
            "ecosystem": "AlmaLinux:9",
            "name": "xorg-x11-server-Xwayland"
          },
          "ranges": [
            {
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "24.1.9-4.el9_8.4"
                }
              ],
              "type": "ECOSYSTEM"
            }
          ]
        },
        {
          "package": {
            "ecosystem": "AlmaLinux:9",
            "name": "xorg-x11-server-Xwayland-devel"
          },
          "ranges": [
            {
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "24.1.9-4.el9_8.4"
                }
              ],
              "type": "ECOSYSTEM"
            }
          ]
        }
      ],
      "details": "Xwayland is an X server for running X clients under Wayland.  \n\nSecurity Fix(es):  \n\n  * xorg-x11-server: xorg-x11-server: Arbitrary code execution via use-after-free in passive grab handling (CVE-2026-93516)\n  * xorg-x11-server: xorg-x11-server: Privilege escalation via crafted RandR provider property requests (CVE-2026-93521)\n  * xorg-x11-server: xwayland: xorg-x11-server: Arbitrary code execution via double-free in XKB geometry handling (CVE-2026-88812)\n  * xorg-x11-server: xorg-x11-server: Out-of-bounds write via unvalidated modifier in ProcXIPassiveUngrabDevice (CVE-2026-93523)\n  * xorg-x11-server: glamor: size tmp_bits buffer for source coordinate range in upload_boxes (CVE-2026-93522)\n  * xorg-x11-server: xorg-x11-server: arbitrary code execution via GLX RenderLarge heap-based buffer overflow (CVE-2026-93517)\n  * xorg-x11-server: xorg-x11-server: arbitrary code execution via integer truncation during keyboard mapping resize (CVE-2026-93518)\n  * xorg-x11-server: xorg-x11-server: Arbitrary code execution via buffer overflow in input_constrain_cursor() (CVE-2026-93519)\n  * xorg-x11-server: xorg-x11-server: arbitrary code execution via out-of-bounds write in XKB keycode handling (CVE-2026-93520)\n\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n",
      "id": "ALSA-2026:85193",
      "modified": "2026-10-20T09:07:26Z",
      "published": "2026-10-19T00:00:00Z",
      "references": [
        {
          "type": "ADVISORY",
          "url": "https://access.redhat.com/errata/RHSA-2026:85193"
        },
        {
          "type": "REPORT",
          "url": "https://access.redhat.com/security/cve/CVE-2026-88812"
        },
        {
          "type": "REPORT",
          "url": "https://access.redhat.com/security/cve/CVE-2026-93516"
        },
        {
          "type": "REPORT",
          "url": "https://access.redhat.com/security/cve/CVE-2026-93517"
        },
        {
          "type": "REPORT",
          "url": "https://access.redhat.com/security/cve/CVE-2026-93518"
        },
        {
          "type": "REPORT",
          "url": "https://access.redhat.com/security/cve/CVE-2026-93519"
        },
        {
          "type": "REPORT",
          "url": "https://access.redhat.com/security/cve/CVE-2026-93520"
        },
        {
          "type": "REPORT",
          "url": "https://access.redhat.com/security/cve/CVE-2026-93521"
        },
        {
          "type": "REPORT",
          "url": "https://access.redhat.com/security/cve/CVE-2026-93522"
        },
        {
          "type": "REPORT",
          "url": "https://access.redhat.com/security/cve/CVE-2026-93523"
        },
        {
          "type": "REPORT",
          "url": "https://bugzilla.redhat.com/2545161"
        },
        {
          "type": "REPORT",
          "url": "https://bugzilla.redhat.com/2545164"
        },
        {
          "type": "REPORT",
          "url": "https://bugzilla.redhat.com/2545174"
        },
        {
          "type": "REPORT",
          "url": "https://bugzilla.redhat.com/2545177"
        },
        {
          "type": "REPORT",
          "url": "https://bugzilla.redhat.com/2545178"
        },
        {
          "type": "REPORT",
          "url": "https://bugzilla.redhat.com/2545246"
        },
        {
          "type": "REPORT",
          "url": "https://bugzilla.redhat.com/2545860"
        },
        {
          "type": "REPORT",
          "url": "https://bugzilla.redhat.com/2545887"
        },
        {
          "type": "REPORT",
          "url": "https://bugzilla.redhat.com/2545908"
        },
        {
          "type": "ADVISORY",
          "url": "https://errata.almalinux.org/9/ALSA-2026-85193.html"
        }
      ],
      "related": [
        "CVE-2026-93516",
        "CVE-2026-93521",
        "CVE-2026-88812",
        "CVE-2026-93523",
        "CVE-2026-93522",
        "CVE-2026-93517",
        "CVE-2026-93518",
        "CVE-2026-93519",
        "CVE-2026-93520"
      ],
      "summary": "Important: xorg-x11-server-Xwayland security update"
    }

    BELL-CVE-2026-93522 (CVE-2026-93522)

    Vulnerability from osv_bellsoft – Published: 2026-10-08 17:21 – Updated: 2026-10-12 23:42 – Source website
    VLAI

    {
      "affected": [
        {
          "package": {
            "ecosystem": "Alpaquita:23",
            "name": "xorg-server",
            "purl": "pkg:apk/alpaquita/xorg-server?arch=source\u0026distro=23"
          },
          "ranges": [
            {
              "events": [
                {
                  "introduced": "21.1.4-r1"
                },
                {
                  "fixed": "21.1.25-r0"
                }
              ],
              "type": "ECOSYSTEM"
            }
          ]
        },
        {
          "package": {
            "ecosystem": "Alpaquita:25",
            "name": "xorg-server",
            "purl": "pkg:apk/alpaquita/xorg-server?arch=source\u0026distro=25"
          },
          "ranges": [
            {
              "events": [
                {
                  "introduced": "21.1.16-r0"
                },
                {
                  "fixed": "21.1.25-r0"
                }
              ],
              "type": "ECOSYSTEM"
            }
          ]
        },
        {
          "package": {
            "ecosystem": "Alpaquita:stream",
            "name": "xorg-server",
            "purl": "pkg:apk/alpaquita/xorg-server?arch=source\u0026distro=stream"
          },
          "ranges": [
            {
              "events": [
                {
                  "introduced": "21.1.4-r1"
                },
                {
                  "fixed": "21.1.25-r0"
                }
              ],
              "type": "ECOSYSTEM"
            }
          ]
        }
      ],
      "id": "BELL-CVE-2026-93522",
      "modified": "2026-10-12T23:42:50.80782Z",
      "published": "2026-10-08T17:21:32.694833Z",
      "references": [
        {
          "type": "ADVISORY",
          "url": "https://docs.bell-sw.com/security/cves/CVE-2026-93522"
        }
      ],
      "schema_version": "1.7.4",
      "upstream": [
        "CVE-2026-93522"
      ]
    }

    OPENSUSE-SU-2026:12105-1

    Vulnerability from csaf_opensuse - Published: 2026-10-10 00:00 - Updated: 2026-10-11 11:56
    Summary
    xwayland-24.1.13-2.1 on GA media
    Severity
    Moderate
    Scope
    12 vulnerabilities in this advisory, including CVE-2026-93522.
    CVE-2026-93522
    Recommended: 8 products
    Open the full advisory

    OPENSUSE-SU-2026:22085-1

    Vulnerability from csaf_opensuse - Published: 2026-10-12 08:18 - Updated: 2026-10-19 17:25
    Summary
    Security update for xwayland
    Severity
    Important
    Scope
    12 vulnerabilities in this advisory, including CVE-2026-93522.
    CVE-2026-93522
    Recommended: 8 products
    Open the full advisory

    RHSA-2026:85191

    Vulnerability from csaf_opensuse - Published: 2026-10-19 00:00 - Updated: 2026-10-21 19:01
    Summary
    security update for xorg-x11-server-Xwayland
    Severity
    Important
    Scope
    9 vulnerabilities in this advisory, including CVE-2026-93522.
    CVE-2026-93522
    Recommended: 2 products
    Open the full advisory

    RHSA-2026:85193

    Vulnerability from csaf_opensuse - Published: 2026-10-19 00:00 - Updated: 2026-10-21 19:01
    Summary
    security update for xorg-x11-server-Xwayland
    Severity
    Important
    Scope
    9 vulnerabilities in this advisory, including CVE-2026-93522.
    CVE-2026-93522
    Recommended: 4 products
    Open the full advisory

    RLSA-2026:85191 (CVE-2026-88812)

    Vulnerability from osv_rocky – Published: 2026-10-20 12:10 – Updated: 2026-10-23 12:16 – Source website
    VLAI
    Summary
    Important: xorg-x11-server-Xwayland security update
    Details

    Xwayland is an X server for running X clients under Wayland.

    Security Fix(es):

    • xorg-x11-server: xorg-x11-server: Arbitrary code execution via use-after-free in passive grab handling (CVE-2026-93516)

    • xorg-x11-server: xorg-x11-server: Privilege escalation via crafted RandR provider property requests (CVE-2026-93521)

    • xorg-x11-server: xwayland: xorg-x11-server: Arbitrary code execution via double-free in XKB geometry handling (CVE-2026-88812)

    • xorg-x11-server: xorg-x11-server: Out-of-bounds write via unvalidated modifier in ProcXIPassiveUngrabDevice (CVE-2026-93523)

    • xorg-x11-server: glamor: size tmp_bits buffer for source coordinate range in upload_boxes (CVE-2026-93522)

    • xorg-x11-server: xorg-x11-server: arbitrary code execution via GLX RenderLarge heap-based buffer overflow (CVE-2026-93517)

    • xorg-x11-server: xorg-x11-server: arbitrary code execution via integer truncation during keyboard mapping resize (CVE-2026-93518)

    • xorg-x11-server: xorg-x11-server: Arbitrary code execution via buffer overflow in input_constrain_cursor() (CVE-2026-93519)

    • xorg-x11-server: xorg-x11-server: arbitrary code execution via out-of-bounds write in XKB keycode handling (CVE-2026-93520)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.


    {
      "affected": [
        {
          "package": {
            "ecosystem": "Rocky Linux:10",
            "name": "xorg-x11-server-Xwayland",
            "purl": "pkg:rpm/rocky-linux/xorg-x11-server-Xwayland?distro=rocky-linux-10\u0026epoch=0"
          },
          "ranges": [
            {
              "database_specific": {
                "yum_repository": "AppStream"
              },
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "0:24.1.9-4.el10_2.4"
                }
              ],
              "type": "ECOSYSTEM"
            }
          ]
        }
      ],
      "credits": [
        {
          "name": "Rocky Enterprise Software Foundation"
        },
        {
          "name": "Red Hat"
        }
      ],
      "database_specific": {
        "license": "CC-BY-4.0",
        "license_url": "https://creativecommons.org/licenses/by/4.0/",
        "source_advisory": "RHSA-2026:85191"
      },
      "details": "Xwayland is an X server for running X clients under Wayland.\n\nSecurity Fix(es):\n\n* xorg-x11-server: xorg-x11-server: Arbitrary code execution via use-after-free in passive grab handling (CVE-2026-93516)\n\n* xorg-x11-server: xorg-x11-server: Privilege escalation via crafted RandR provider property requests (CVE-2026-93521)\n\n* xorg-x11-server: xwayland: xorg-x11-server: Arbitrary code execution via double-free in XKB geometry handling (CVE-2026-88812)\n\n* xorg-x11-server: xorg-x11-server: Out-of-bounds write via unvalidated modifier in ProcXIPassiveUngrabDevice (CVE-2026-93523)\n\n* xorg-x11-server: glamor: size tmp_bits buffer for source coordinate  range in upload_boxes (CVE-2026-93522)\n\n* xorg-x11-server: xorg-x11-server: arbitrary code execution via GLX RenderLarge heap-based buffer overflow (CVE-2026-93517)\n\n* xorg-x11-server: xorg-x11-server: arbitrary code execution via integer truncation during keyboard mapping resize (CVE-2026-93518)\n\n* xorg-x11-server: xorg-x11-server: Arbitrary code execution via buffer overflow in input_constrain_cursor() (CVE-2026-93519)\n\n* xorg-x11-server: xorg-x11-server: arbitrary code execution via out-of-bounds write in XKB keycode handling (CVE-2026-93520)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.",
      "id": "RLSA-2026:85191",
      "modified": "2026-10-23T12:16:18.445133Z",
      "published": "2026-10-20T12:10:14.939262Z",
      "references": [
        {
          "type": "ADVISORY",
          "url": "https://errata.rockylinux.org/RLSA-2026:85191"
        },
        {
          "type": "REPORT",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2545161"
        },
        {
          "type": "REPORT",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2545164"
        },
        {
          "type": "REPORT",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2545174"
        },
        {
          "type": "REPORT",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2545177"
        },
        {
          "type": "REPORT",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2545178"
        },
        {
          "type": "REPORT",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2545246"
        },
        {
          "type": "REPORT",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2545860"
        },
        {
          "type": "REPORT",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2545887"
        },
        {
          "type": "REPORT",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2545908"
        },
        {
          "type": "ADVISORY",
          "url": "https://access.redhat.com/errata/RHSA-2026:85191"
        }
      ],
      "schema_version": "1.7.0",
      "severity": [
        {
          "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "type": "CVSS_V3"
        }
      ],
      "summary": "Important: xorg-x11-server-Xwayland security update",
      "upstream": [
        "CVE-2026-88812",
        "CVE-2026-93516",
        "CVE-2026-93517",
        "CVE-2026-93518",
        "CVE-2026-93519",
        "CVE-2026-93520",
        "CVE-2026-93521",
        "CVE-2026-93522",
        "CVE-2026-93523"
      ]
    }

    RLSA-2026:85193 (CVE-2026-88812)

    Vulnerability from osv_rocky – Published: 2026-10-20 12:05 – Updated: 2026-10-23 12:16 – Source website
    VLAI
    Summary
    Important: xorg-x11-server-Xwayland security update
    Details

    Xwayland is an X server for running X clients under Wayland.

    Security Fix(es):

    • xorg-x11-server: xorg-x11-server: Arbitrary code execution via use-after-free in passive grab handling (CVE-2026-93516)

    • xorg-x11-server: xorg-x11-server: Privilege escalation via crafted RandR provider property requests (CVE-2026-93521)

    • xorg-x11-server: xwayland: xorg-x11-server: Arbitrary code execution via double-free in XKB geometry handling (CVE-2026-88812)

    • xorg-x11-server: xorg-x11-server: Out-of-bounds write via unvalidated modifier in ProcXIPassiveUngrabDevice (CVE-2026-93523)

    • xorg-x11-server: glamor: size tmp_bits buffer for source coordinate range in upload_boxes (CVE-2026-93522)

    • xorg-x11-server: xorg-x11-server: arbitrary code execution via GLX RenderLarge heap-based buffer overflow (CVE-2026-93517)

    • xorg-x11-server: xorg-x11-server: arbitrary code execution via integer truncation during keyboard mapping resize (CVE-2026-93518)

    • xorg-x11-server: xorg-x11-server: Arbitrary code execution via buffer overflow in input_constrain_cursor() (CVE-2026-93519)

    • xorg-x11-server: xorg-x11-server: arbitrary code execution via out-of-bounds write in XKB keycode handling (CVE-2026-93520)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.


    {
      "affected": [
        {
          "package": {
            "ecosystem": "Rocky Linux:9",
            "name": "xorg-x11-server-Xwayland",
            "purl": "pkg:rpm/rocky-linux/xorg-x11-server-Xwayland?distro=rocky-linux-9\u0026epoch=0"
          },
          "ranges": [
            {
              "database_specific": {
                "yum_repository": "AppStream"
              },
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "0:24.1.9-4.el9_8.4"
                }
              ],
              "type": "ECOSYSTEM"
            }
          ]
        }
      ],
      "credits": [
        {
          "name": "Rocky Enterprise Software Foundation"
        },
        {
          "name": "Red Hat"
        }
      ],
      "database_specific": {
        "license": "CC-BY-4.0",
        "license_url": "https://creativecommons.org/licenses/by/4.0/",
        "source_advisory": "RHSA-2026:85193"
      },
      "details": "Xwayland is an X server for running X clients under Wayland.\n\nSecurity Fix(es):\n\n* xorg-x11-server: xorg-x11-server: Arbitrary code execution via use-after-free in passive grab handling (CVE-2026-93516)\n\n* xorg-x11-server: xorg-x11-server: Privilege escalation via crafted RandR provider property requests (CVE-2026-93521)\n\n* xorg-x11-server: xwayland: xorg-x11-server: Arbitrary code execution via double-free in XKB geometry handling (CVE-2026-88812)\n\n* xorg-x11-server: xorg-x11-server: Out-of-bounds write via unvalidated modifier in ProcXIPassiveUngrabDevice (CVE-2026-93523)\n\n* xorg-x11-server: glamor: size tmp_bits buffer for source coordinate  range in upload_boxes (CVE-2026-93522)\n\n* xorg-x11-server: xorg-x11-server: arbitrary code execution via GLX RenderLarge heap-based buffer overflow (CVE-2026-93517)\n\n* xorg-x11-server: xorg-x11-server: arbitrary code execution via integer truncation during keyboard mapping resize (CVE-2026-93518)\n\n* xorg-x11-server: xorg-x11-server: Arbitrary code execution via buffer overflow in input_constrain_cursor() (CVE-2026-93519)\n\n* xorg-x11-server: xorg-x11-server: arbitrary code execution via out-of-bounds write in XKB keycode handling (CVE-2026-93520)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.",
      "id": "RLSA-2026:85193",
      "modified": "2026-10-23T12:16:13.017714Z",
      "published": "2026-10-20T12:05:07.452289Z",
      "references": [
        {
          "type": "ADVISORY",
          "url": "https://errata.rockylinux.org/RLSA-2026:85193"
        },
        {
          "type": "REPORT",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2545161"
        },
        {
          "type": "REPORT",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2545164"
        },
        {
          "type": "REPORT",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2545174"
        },
        {
          "type": "REPORT",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2545177"
        },
        {
          "type": "REPORT",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2545178"
        },
        {
          "type": "REPORT",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2545246"
        },
        {
          "type": "REPORT",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2545860"
        },
        {
          "type": "REPORT",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2545887"
        },
        {
          "type": "REPORT",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2545908"
        },
        {
          "type": "ADVISORY",
          "url": "https://access.redhat.com/errata/RHSA-2026:85193"
        }
      ],
      "schema_version": "1.7.0",
      "severity": [
        {
          "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "type": "CVSS_V3"
        }
      ],
      "summary": "Important: xorg-x11-server-Xwayland security update",
      "upstream": [
        "CVE-2026-88812",
        "CVE-2026-93516",
        "CVE-2026-93517",
        "CVE-2026-93518",
        "CVE-2026-93519",
        "CVE-2026-93520",
        "CVE-2026-93521",
        "CVE-2026-93522",
        "CVE-2026-93523"
      ]
    }

    SUSE-SU-2026:24230-1

    Vulnerability from csaf_suse - Published: 2026-10-12 08:18 - Updated: 2026-10-21 11:50
    Summary
    Security update for xwayland
    Severity
    Important
    Scope
    12 vulnerabilities in this advisory, including CVE-2026-93522.
    CVE-2026-93522
    Recommended: 16 products
    Open the full advisory

    UBUNTU-CVE-2026-93522 (CVE-2026-93522)

    Vulnerability from osv_ubuntu – Published: 2026-10-07 00:00 – Updated: 2026-10-19 20:37 – Source website
    VLAI
    Details

    [Glamor CopyArea CPU-FBO Heap Buffer Overflow]

    Severity
    N/A (UNKNOWN)

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      "aliases": [],
      "details": "[Glamor CopyArea CPU-FBO Heap Buffer Overflow]",
      "id": "UBUNTU-CVE-2026-93522",
      "modified": "2026-10-19T20:37:08Z",
      "published": "2026-10-07T00:00:00Z",
      "references": [
        {
          "type": "REPORT",
          "url": "https://ubuntu.com/security/CVE-2026-93522"
        },
        {
          "type": "REPORT",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-93522"
        },
        {
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      "schema_version": "1.7.0",
      "severity": [
        {
          "score": "medium",
          "type": "Ubuntu"
        }
      ],
      "upstream": [
        "CVE-2026-93522"
      ]
    }