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tigervnc: Fix of 3 CVEs

Type: advisorySources: OSV

- CVE-2023-6816: xorg-x11-server: fix use-after-free issue by adding check to allocate sufficient space for logical button maps to prevent heap overflow in DeviceFocusEvent and XIQueryPointer replies - CVE-2023-5367: xorg-x11-server: correct buffer offset handling in XIChangeDeviceProperty and RRChangeOutputProperty to prevent out-of-bound writes during append/prepend operations - CVE-2023-6478: xorg-x11-server: fix integer overflow in RRChangeProviderProperty and RRChangeOutputProperty to prevent disclosure of sensitive information

Products
tigervnc, tigervnc-icons, tigervnc-license, tigervnc-selinux, tigervnc-server, tigervnc-server-minimal, tigervnc-server-module
Affected versions
Not specified
Fixed versions
1.12.0-13.el9_2.tuxcare.els9
CVEs
CVE-2023-5367, CVE-2023-6478, CVE-2023-6816
Confirmed fixed CVEs
Not specified
Updated in this feed
31 Oct 2026, 13:48 UTC · Revision 1

Source evidence

tigervnc: Fix of 3 CVEs

core-osv · Original source

Published 9 Apr 2025, 15:44 UTC

- CVE-2023-6816: xorg-x11-server: fix use-after-free issue by adding check to allocate sufficient space for logical button maps to prevent heap overflow in DeviceFocusEvent and XIQueryPointer replies - CVE-2023-5367: xorg-x11-server: correct buffer offset handling in XIChangeDeviceProperty and RRChangeOutputProperty to prevent out-of-bound writes during append/prepend operations - CVE-2023-6478: xorg-x11-server: fix integer overflow in RRChangeProviderProperty and RRChangeOutputProperty to prevent disclosure of sensitive information

osv:CLSA-2025-1744213437

tigervnc

Fixed versions: 1.12.0-13.el9_2.tuxcare.els9

tigervnc-icons

Fixed versions: 1.12.0-13.el9_2.tuxcare.els9

tigervnc-license

Fixed versions: 1.12.0-13.el9_2.tuxcare.els9

tigervnc-selinux

Fixed versions: 1.12.0-13.el9_2.tuxcare.els9

tigervnc-server

Fixed versions: 1.12.0-13.el9_2.tuxcare.els9

tigervnc-server-minimal

Fixed versions: 1.12.0-13.el9_2.tuxcare.els9

tigervnc-server-module

Fixed versions: 1.12.0-13.el9_2.tuxcare.els9

Complete source record
{
  "id": "4f1c80aaf1bf7d7e36218599ba1834d242e26a142d9119c14d3fac73b24b2596",
  "url": "https://osv.dev/vulnerability/CLSA-2025-1744213437",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "tigervnc: Fix of 3 CVEs",
    "summary": "- CVE-2023-6816: xorg-x11-server: fix use-after-free issue by adding check to allocate sufficient space for logical button maps to prevent heap overflow in DeviceFocusEvent and XIQueryPointer replies - CVE-2023-5367: xorg-x11-server: correct buffer offset handling in XIChangeDeviceProperty and RRChangeOutputProperty to prevent out-of-bound writes during append/prepend operations - CVE-2023-6478: xorg-x11-server: fix integer overflow in RRChangeProviderProperty and RRChangeOutputProperty to prevent disclosure of sensitive information",
    "evidence": "osv:CLSA-2025-1744213437",
    "products": [
      {
        "name": {
          "value": "tigervnc",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1.12.0-13.el9_2.tuxcare.els9",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "tigervnc-icons",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1.12.0-13.el9_2.tuxcare.els9",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "tigervnc-license",
          "evidence": "/affected/2/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1.12.0-13.el9_2.tuxcare.els9",
            "evidence": "/affected/2/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "tigervnc-selinux",
          "evidence": "/affected/3/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1.12.0-13.el9_2.tuxcare.els9",
            "evidence": "/affected/3/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "tigervnc-server",
          "evidence": "/affected/4/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1.12.0-13.el9_2.tuxcare.els9",
            "evidence": "/affected/4/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "tigervnc-server-minimal",
          "evidence": "/affected/5/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1.12.0-13.el9_2.tuxcare.els9",
            "evidence": "/affected/5/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "tigervnc-server-module",
          "evidence": "/affected/6/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1.12.0-13.el9_2.tuxcare.els9",
            "evidence": "/affected/6/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CLSA-2025-1744213437",
      "aliases": [
        "CLSA-2025-1744213437"
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1.12.0-13.el9_2.tuxcare.els9"
                }
              ]
            }
          ],
          "package": {
            "name": "tigervnc",
            "purl": "pkg:rpm/tuxcare/tigervnc?distro=almalinux-9.2",
            "ecosystem": "TuxCare:AlmaLinux:9.2"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2025-1744213437.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1.12.0-13.el9_2.tuxcare.els9"
                }
              ]
            }
          ],
          "package": {
            "name": "tigervnc-icons",
            "purl": "pkg:rpm/tuxcare/tigervnc-icons?distro=almalinux-9.2",
            "ecosystem": "TuxCare:AlmaLinux:9.2"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2025-1744213437.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1.12.0-13.el9_2.tuxcare.els9"
                }
              ]
            }
          ],
          "package": {
            "name": "tigervnc-license",
            "purl": "pkg:rpm/tuxcare/tigervnc-license?distro=almalinux-9.2",
            "ecosystem": "TuxCare:AlmaLinux:9.2"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2025-1744213437.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1.12.0-13.el9_2.tuxcare.els9"
                }
              ]
            }
          ],
          "package": {
            "name": "tigervnc-selinux",
            "purl": "pkg:rpm/tuxcare/tigervnc-selinux?distro=almalinux-9.2",
            "ecosystem": "TuxCare:AlmaLinux:9.2"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2025-1744213437.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1.12.0-13.el9_2.tuxcare.els9"
                }
              ]
            }
          ],
          "package": {
            "name": "tigervnc-server",
            "purl": "pkg:rpm/tuxcare/tigervnc-server?distro=almalinux-9.2",
            "ecosystem": "TuxCare:AlmaLinux:9.2"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2025-1744213437.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1.12.0-13.el9_2.tuxcare.els9"
                }
              ]
            }
          ],
          "package": {
            "name": "tigervnc-server-minimal",
            "purl": "pkg:rpm/tuxcare/tigervnc-server-minimal?distro=almalinux-9.2",
            "ecosystem": "TuxCare:AlmaLinux:9.2"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2025-1744213437.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1.12.0-13.el9_2.tuxcare.els9"
                }
              ]
            }
          ],
          "package": {
            "name": "tigervnc-server-module",
            "purl": "pkg:rpm/tuxcare/tigervnc-server-module?distro=almalinux-9.2",
            "ecosystem": "TuxCare:AlmaLinux:9.2"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2025-1744213437.json"
          }
        }
      ],
      "modified": "2026-10-21T10:45:08.537603121Z",
      "provider": "osv",
      "upstream": [
        "CVE-2023-5367",
        "CVE-2023-6478",
        "CVE-2023-6816"
      ],
      "references": [
        "https://errata.tuxcare.com/almalinux9.2-esu/CLSA-2025-1744213437.html"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2023-5367",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2023-6478",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2023-6816",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 392117,
  "published_at": "2025-04-09T15:44:02+00:00"
}