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Fix CVE(s): CVE-2026-58224

Type: advisorySources: OSV

* SECURITY UPDATE: denial of service and limited memory disclosure in CTDB via malformed packets on the CTDB private network and event socket - debian/patches/CVE-2026-58224.patch: validate protocol field lengths against the packet length when unmarshalling, bound array element counts by the remaining buffer to avoid out-of-memory allocations, fix string NUL-termination edge cases in ctdb_string_pull() and ctdb_stringn_pull(), and restrict sock_daemon Unix domain sockets to the owning user - CVE-2026-58224

Products
ctdb, libnss-winbind, libpam-winbind, libsmbclient, libsmbclient-dev, libwbclient-dev, libwbclient0, python-samba, registry-tools, samba, samba-common, samba-common-bin, samba-dev, samba-dsdb-modules, samba-libs, samba-testsuite, samba-vfs-modules, smbclient, winbind
Affected versions
Not specified
Fixed versions
2:4.9.5+dfsg-5+deb10u5+tuxcare.els10
CVEs
CVE-2026-58224
Confirmed fixed CVEs
Not specified
Updated in this feed
1 Nov 2026, 11:24 UTC · Revision 1

Source evidence

Fix CVE(s): CVE-2026-58224

core-osv · Original source

Published 16 Sept 2026, 10:11 UTC

* SECURITY UPDATE: denial of service and limited memory disclosure in CTDB via malformed packets on the CTDB private network and event socket - debian/patches/CVE-2026-58224.patch: validate protocol field lengths against the packet length when unmarshalling, bound array element counts by the remaining buffer to avoid out-of-memory allocations, fix string NUL-termination edge cases in ctdb_string_pull() and ctdb_stringn_pull(), and restrict sock_daemon Unix domain sockets to the owning user - CVE-2026-58224

osv:CLSA-2026-1789553469

ctdb

Fixed versions: 2:4.9.5+dfsg-5+deb10u5+tuxcare.els10

libnss-winbind

Fixed versions: 2:4.9.5+dfsg-5+deb10u5+tuxcare.els10

libpam-winbind

Fixed versions: 2:4.9.5+dfsg-5+deb10u5+tuxcare.els10

libsmbclient

Fixed versions: 2:4.9.5+dfsg-5+deb10u5+tuxcare.els10

libsmbclient-dev

Fixed versions: 2:4.9.5+dfsg-5+deb10u5+tuxcare.els10

libwbclient-dev

Fixed versions: 2:4.9.5+dfsg-5+deb10u5+tuxcare.els10

libwbclient0

Fixed versions: 2:4.9.5+dfsg-5+deb10u5+tuxcare.els10

python-samba

Fixed versions: 2:4.9.5+dfsg-5+deb10u5+tuxcare.els10

registry-tools

Fixed versions: 2:4.9.5+dfsg-5+deb10u5+tuxcare.els10

samba

Fixed versions: 2:4.9.5+dfsg-5+deb10u5+tuxcare.els10

samba-common

Fixed versions: 2:4.9.5+dfsg-5+deb10u5+tuxcare.els10

samba-common-bin

Fixed versions: 2:4.9.5+dfsg-5+deb10u5+tuxcare.els10

samba-dev

Fixed versions: 2:4.9.5+dfsg-5+deb10u5+tuxcare.els10

samba-dsdb-modules

Fixed versions: 2:4.9.5+dfsg-5+deb10u5+tuxcare.els10

samba-libs

Fixed versions: 2:4.9.5+dfsg-5+deb10u5+tuxcare.els10

samba-testsuite

Fixed versions: 2:4.9.5+dfsg-5+deb10u5+tuxcare.els10

samba-vfs-modules

Fixed versions: 2:4.9.5+dfsg-5+deb10u5+tuxcare.els10

smbclient

Fixed versions: 2:4.9.5+dfsg-5+deb10u5+tuxcare.els10

winbind

Fixed versions: 2:4.9.5+dfsg-5+deb10u5+tuxcare.els10

Complete source record
{
  "id": "cac79fd960393b454e9e031542fdd151737a1abe7c8e347ec07e003158b9a616",
  "url": "https://osv.dev/vulnerability/CLSA-2026-1789553469",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Fix CVE(s): CVE-2026-58224",
    "summary": "* SECURITY UPDATE: denial of service and limited memory disclosure in CTDB via malformed packets on the CTDB private network and event socket - debian/patches/CVE-2026-58224.patch: validate protocol field lengths against the packet length when unmarshalling, bound array element counts by the remaining buffer to avoid out-of-memory allocations, fix string NUL-termination edge cases in ctdb_string_pull() and ctdb_stringn_pull(), and restrict sock_daemon Unix domain sockets to the owning user - CVE-2026-58224",
    "evidence": "osv:CLSA-2026-1789553469",
    "products": [
      {
        "name": {
          "value": "ctdb",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2:4.9.5+dfsg-5+deb10u5+tuxcare.els10",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "libnss-winbind",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2:4.9.5+dfsg-5+deb10u5+tuxcare.els10",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "libpam-winbind",
          "evidence": "/affected/2/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2:4.9.5+dfsg-5+deb10u5+tuxcare.els10",
            "evidence": "/affected/2/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "libsmbclient",
          "evidence": "/affected/3/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2:4.9.5+dfsg-5+deb10u5+tuxcare.els10",
            "evidence": "/affected/3/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "libsmbclient-dev",
          "evidence": "/affected/4/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2:4.9.5+dfsg-5+deb10u5+tuxcare.els10",
            "evidence": "/affected/4/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "libwbclient-dev",
          "evidence": "/affected/5/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2:4.9.5+dfsg-5+deb10u5+tuxcare.els10",
            "evidence": "/affected/5/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "libwbclient0",
          "evidence": "/affected/6/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2:4.9.5+dfsg-5+deb10u5+tuxcare.els10",
            "evidence": "/affected/6/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "python-samba",
          "evidence": "/affected/7/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2:4.9.5+dfsg-5+deb10u5+tuxcare.els10",
            "evidence": "/affected/7/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "registry-tools",
          "evidence": "/affected/8/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2:4.9.5+dfsg-5+deb10u5+tuxcare.els10",
            "evidence": "/affected/8/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "samba",
          "evidence": "/affected/9/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2:4.9.5+dfsg-5+deb10u5+tuxcare.els10",
            "evidence": "/affected/9/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "samba-common",
          "evidence": "/affected/10/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2:4.9.5+dfsg-5+deb10u5+tuxcare.els10",
            "evidence": "/affected/10/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "samba-common-bin",
          "evidence": "/affected/11/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2:4.9.5+dfsg-5+deb10u5+tuxcare.els10",
            "evidence": "/affected/11/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "samba-dev",
          "evidence": "/affected/12/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2:4.9.5+dfsg-5+deb10u5+tuxcare.els10",
            "evidence": "/affected/12/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "samba-dsdb-modules",
          "evidence": "/affected/13/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2:4.9.5+dfsg-5+deb10u5+tuxcare.els10",
            "evidence": "/affected/13/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "samba-libs",
          "evidence": "/affected/14/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2:4.9.5+dfsg-5+deb10u5+tuxcare.els10",
            "evidence": "/affected/14/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "samba-testsuite",
          "evidence": "/affected/15/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2:4.9.5+dfsg-5+deb10u5+tuxcare.els10",
            "evidence": "/affected/15/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "samba-vfs-modules",
          "evidence": "/affected/16/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2:4.9.5+dfsg-5+deb10u5+tuxcare.els10",
            "evidence": "/affected/16/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "smbclient",
          "evidence": "/affected/17/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2:4.9.5+dfsg-5+deb10u5+tuxcare.els10",
            "evidence": "/affected/17/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "winbind",
          "evidence": "/affected/18/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2:4.9.5+dfsg-5+deb10u5+tuxcare.els10",
            "evidence": "/affected/18/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CLSA-2026-1789553469",
      "aliases": [
        "CLSA-2026-1789553469"
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2:4.9.5+dfsg-5+deb10u5+tuxcare.els10"
                }
              ]
            }
          ],
          "package": {
            "name": "ctdb",
            "purl": "pkg:deb/tuxcare/ctdb?distro=debian-10",
            "ecosystem": "TuxCare:Debian:10"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/debian10els/CLSA-2026-1789553469.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2:4.9.5+dfsg-5+deb10u5+tuxcare.els10"
                }
              ]
            }
          ],
          "package": {
            "name": "libnss-winbind",
            "purl": "pkg:deb/tuxcare/libnss-winbind?distro=debian-10",
            "ecosystem": "TuxCare:Debian:10"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/debian10els/CLSA-2026-1789553469.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2:4.9.5+dfsg-5+deb10u5+tuxcare.els10"
                }
              ]
            }
          ],
          "package": {
            "name": "libpam-winbind",
            "purl": "pkg:deb/tuxcare/libpam-winbind?distro=debian-10",
            "ecosystem": "TuxCare:Debian:10"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/debian10els/CLSA-2026-1789553469.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2:4.9.5+dfsg-5+deb10u5+tuxcare.els10"
                }
              ]
            }
          ],
          "package": {
            "name": "libsmbclient",
            "purl": "pkg:deb/tuxcare/libsmbclient?distro=debian-10",
            "ecosystem": "TuxCare:Debian:10"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/debian10els/CLSA-2026-1789553469.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2:4.9.5+dfsg-5+deb10u5+tuxcare.els10"
                }
              ]
            }
          ],
          "package": {
            "name": "libsmbclient-dev",
            "purl": "pkg:deb/tuxcare/libsmbclient-dev?distro=debian-10",
            "ecosystem": "TuxCare:Debian:10"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/debian10els/CLSA-2026-1789553469.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2:4.9.5+dfsg-5+deb10u5+tuxcare.els10"
                }
              ]
            }
          ],
          "package": {
            "name": "libwbclient-dev",
            "purl": "pkg:deb/tuxcare/libwbclient-dev?distro=debian-10",
            "ecosystem": "TuxCare:Debian:10"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/debian10els/CLSA-2026-1789553469.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2:4.9.5+dfsg-5+deb10u5+tuxcare.els10"
                }
              ]
            }
          ],
          "package": {
            "name": "libwbclient0",
            "purl": "pkg:deb/tuxcare/libwbclient0?distro=debian-10",
            "ecosystem": "TuxCare:Debian:10"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/debian10els/CLSA-2026-1789553469.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2:4.9.5+dfsg-5+deb10u5+tuxcare.els10"
                }
              ]
            }
          ],
          "package": {
            "name": "python-samba",
            "purl": "pkg:deb/tuxcare/python-samba?distro=debian-10",
            "ecosystem": "TuxCare:Debian:10"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/debian10els/CLSA-2026-1789553469.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2:4.9.5+dfsg-5+deb10u5+tuxcare.els10"
                }
              ]
            }
          ],
          "package": {
            "name": "registry-tools",
            "purl": "pkg:deb/tuxcare/registry-tools?distro=debian-10",
            "ecosystem": "TuxCare:Debian:10"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/debian10els/CLSA-2026-1789553469.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2:4.9.5+dfsg-5+deb10u5+tuxcare.els10"
                }
              ]
            }
          ],
          "package": {
            "name": "samba",
            "purl": "pkg:deb/tuxcare/samba?distro=debian-10",
            "ecosystem": "TuxCare:Debian:10"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/debian10els/CLSA-2026-1789553469.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2:4.9.5+dfsg-5+deb10u5+tuxcare.els10"
                }
              ]
            }
          ],
          "package": {
            "name": "samba-common",
            "purl": "pkg:deb/tuxcare/samba-common?distro=debian-10",
            "ecosystem": "TuxCare:Debian:10"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/debian10els/CLSA-2026-1789553469.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2:4.9.5+dfsg-5+deb10u5+tuxcare.els10"
                }
              ]
            }
          ],
          "package": {
            "name": "samba-common-bin",
            "purl": "pkg:deb/tuxcare/samba-common-bin?distro=debian-10",
            "ecosystem": "TuxCare:Debian:10"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/debian10els/CLSA-2026-1789553469.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2:4.9.5+dfsg-5+deb10u5+tuxcare.els10"
                }
              ]
            }
          ],
          "package": {
            "name": "samba-dev",
            "purl": "pkg:deb/tuxcare/samba-dev?distro=debian-10",
            "ecosystem": "TuxCare:Debian:10"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/debian10els/CLSA-2026-1789553469.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2:4.9.5+dfsg-5+deb10u5+tuxcare.els10"
                }
              ]
            }
          ],
          "package": {
            "name": "samba-dsdb-modules",
            "purl": "pkg:deb/tuxcare/samba-dsdb-modules?distro=debian-10",
            "ecosystem": "TuxCare:Debian:10"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/debian10els/CLSA-2026-1789553469.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2:4.9.5+dfsg-5+deb10u5+tuxcare.els10"
                }
              ]
            }
          ],
          "package": {
            "name": "samba-libs",
            "purl": "pkg:deb/tuxcare/samba-libs?distro=debian-10",
            "ecosystem": "TuxCare:Debian:10"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/debian10els/CLSA-2026-1789553469.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2:4.9.5+dfsg-5+deb10u5+tuxcare.els10"
                }
              ]
            }
          ],
          "package": {
            "name": "samba-testsuite",
            "purl": "pkg:deb/tuxcare/samba-testsuite?distro=debian-10",
            "ecosystem": "TuxCare:Debian:10"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/debian10els/CLSA-2026-1789553469.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2:4.9.5+dfsg-5+deb10u5+tuxcare.els10"
                }
              ]
            }
          ],
          "package": {
            "name": "samba-vfs-modules",
            "purl": "pkg:deb/tuxcare/samba-vfs-modules?distro=debian-10",
            "ecosystem": "TuxCare:Debian:10"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/debian10els/CLSA-2026-1789553469.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2:4.9.5+dfsg-5+deb10u5+tuxcare.els10"
                }
              ]
            }
          ],
          "package": {
            "name": "smbclient",
            "purl": "pkg:deb/tuxcare/smbclient?distro=debian-10",
            "ecosystem": "TuxCare:Debian:10"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/debian10els/CLSA-2026-1789553469.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2:4.9.5+dfsg-5+deb10u5+tuxcare.els10"
                }
              ]
            }
          ],
          "package": {
            "name": "winbind",
            "purl": "pkg:deb/tuxcare/winbind?distro=debian-10",
            "ecosystem": "TuxCare:Debian:10"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/debian10els/CLSA-2026-1789553469.json"
          }
        }
      ],
      "modified": "2026-10-26T09:31:53.678538850Z",
      "provider": "osv",
      "upstream": [
        "CVE-2026-58224"
      ],
      "references": [
        "https://errata.tuxcare.com/els_os/debian10els/CLSA-2026-1789553469.html",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-58224"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2026-58224",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 448864,
  "published_at": "2026-09-16T10:11:18+00:00"
}