{
  "document": {
    "aggregate_severity": {
      "text": "Important"
    },
    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "distribution": {
      "text": "TuxCare License Agreement",
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "en",
    "notes": [
      {
        "category": "legal_disclaimer",
        "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Cloud Linux Inc. and provide a link to the original.",
        "title": "Terms of Use"
      },
      {
        "category": "details",
        "text": "fix CVE-2026-61915: double-free in the CalDAV VPATCH BYPARAM selector,\n  reachable by an authenticated calendar user patching a resource with two or\n  more properties of the matched kind\n- disable the cassandane test runner by default: its harness (imaptest plus the\n  perl test modules) is absent from the centos-stream8 repositories on every\n  architecture; the cunit suite continues to run on all architectures\n- do not free VPATCH parameters already removed by reference: the parameter\n  stays owned by libical after icalproperty_remove_parameter_by_ref(), so the\n  following icalparameter_free() double-freed it and aborted the CalDAV worker\n  on any VPATCH carrying a PATCH-ACTION parameter, before the CVE-2026-61915\n  code path could be reached\n- use strcmpsafe/strncmpsafe for PATCHACTION string matching:\n  icalparameter_get_xvalue() and icalproperty_get_value_as_string() may return\n  NULL on the same VPATCH path",
        "title": "Details"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "https://tuxcare.com/contact/",
      "name": "TuxCare",
      "namespace": "https://tuxcare.com/"
    },
    "references": [
      {
        "category": "self",
        "summary": "https://cve.tuxcare.com/els/releases/CLSA-2026:1790769478",
        "url": "https://cve.tuxcare.com/els/releases/CLSA-2026:1790769478"
      },
      {
        "category": "self",
        "summary": "Canonical URL",
        "url": "https://security.tuxcare.com/csaf/v2/els_os/centos-stream8els/advisories/2026/clsa-2026_1790769478.json"
      }
    ],
    "tracking": {
      "current_release_date": "2026-09-30T11:58:42Z",
      "generator": {
        "date": "2026-09-30T11:58:42Z",
        "engine": {
          "name": "pyCSAF"
        }
      },
      "id": "CLSA-2026:1790769478",
      "initial_release_date": "2026-09-30T11:58:42Z",
      "revision_history": [
        {
          "date": "2026-09-30T11:58:42Z",
          "number": "1",
          "summary": "Initial version"
        }
      ],
      "status": "final",
      "version": "1"
    },
    "title": "cyrus-imapd: Fix of CVE-2026-61915"
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_name",
                "name": "Community Enterprise Operating System 8",
                "product": {
                  "name": "Community Enterprise Operating System 8",
                  "product_id": "CentOS-Stream-8",
                  "product_identification_helper": {
                    "cpe": "cpe:2.3:o:centos:centos:8:*:*:*:*:*:*:*"
                  }
                }
              }
            ],
            "category": "product_family",
            "name": "Community Enterprise Operating System"
          }
        ],
        "category": "vendor",
        "name": "Red Hat, Inc."
      },
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "cyrus-imapd-doc-extra-0:3.0.7-24.el8.tuxcare.els1.noarch",
                "product": {
                  "name": "cyrus-imapd-doc-extra-0:3.0.7-24.el8.tuxcare.els1.noarch",
                  "product_id": "cyrus-imapd-doc-extra-0:3.0.7-24.el8.tuxcare.els1.noarch",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/tuxcare/cyrus-imapd-doc-extra@3.0.7-24.el8.tuxcare.els1?arch=noarch"
                  }
                }
              }
            ],
            "category": "architecture",
            "name": "noarch"
          },
          {
            "branches": [
              {
                "category": "product_version",
                "name": "cyrus-imapd-utils-0:3.0.7-24.el8.tuxcare.els1.x86_64",
                "product": {
                  "name": "cyrus-imapd-utils-0:3.0.7-24.el8.tuxcare.els1.x86_64",
                  "product_id": "cyrus-imapd-utils-0:3.0.7-24.el8.tuxcare.els1.x86_64",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/tuxcare/cyrus-imapd-utils@3.0.7-24.el8.tuxcare.els1?arch=x86_64"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "cyrus-imapd-devel-0:3.0.7-24.el8.tuxcare.els1.x86_64",
                "product": {
                  "name": "cyrus-imapd-devel-0:3.0.7-24.el8.tuxcare.els1.x86_64",
                  "product_id": "cyrus-imapd-devel-0:3.0.7-24.el8.tuxcare.els1.x86_64",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/tuxcare/cyrus-imapd-devel@3.0.7-24.el8.tuxcare.els1?arch=x86_64"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "cyrus-imapd-vzic-0:3.0.7-24.el8.tuxcare.els1.x86_64",
                "product": {
                  "name": "cyrus-imapd-vzic-0:3.0.7-24.el8.tuxcare.els1.x86_64",
                  "product_id": "cyrus-imapd-vzic-0:3.0.7-24.el8.tuxcare.els1.x86_64",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/tuxcare/cyrus-imapd-vzic@3.0.7-24.el8.tuxcare.els1?arch=x86_64"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "cyrus-imapd-0:3.0.7-24.el8.tuxcare.els1.x86_64",
                "product": {
                  "name": "cyrus-imapd-0:3.0.7-24.el8.tuxcare.els1.x86_64",
                  "product_id": "cyrus-imapd-0:3.0.7-24.el8.tuxcare.els1.x86_64",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/tuxcare/cyrus-imapd@3.0.7-24.el8.tuxcare.els1?arch=x86_64"
                  }
                }
              }
            ],
            "category": "architecture",
            "name": "x86_64"
          },
          {
            "branches": [
              {
                "category": "product_version",
                "name": "cyrus-imapd-utils-0:3.0.7-24.el8.tuxcare.els1.i686",
                "product": {
                  "name": "cyrus-imapd-utils-0:3.0.7-24.el8.tuxcare.els1.i686",
                  "product_id": "cyrus-imapd-utils-0:3.0.7-24.el8.tuxcare.els1.i686",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/tuxcare/cyrus-imapd-utils@3.0.7-24.el8.tuxcare.els1?arch=i686"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "cyrus-imapd-devel-0:3.0.7-24.el8.tuxcare.els1.i686",
                "product": {
                  "name": "cyrus-imapd-devel-0:3.0.7-24.el8.tuxcare.els1.i686",
                  "product_id": "cyrus-imapd-devel-0:3.0.7-24.el8.tuxcare.els1.i686",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/tuxcare/cyrus-imapd-devel@3.0.7-24.el8.tuxcare.els1?arch=i686"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "cyrus-imapd-vzic-0:3.0.7-24.el8.tuxcare.els1.i686",
                "product": {
                  "name": "cyrus-imapd-vzic-0:3.0.7-24.el8.tuxcare.els1.i686",
                  "product_id": "cyrus-imapd-vzic-0:3.0.7-24.el8.tuxcare.els1.i686",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/tuxcare/cyrus-imapd-vzic@3.0.7-24.el8.tuxcare.els1?arch=i686"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "cyrus-imapd-0:3.0.7-24.el8.tuxcare.els1.i686",
                "product": {
                  "name": "cyrus-imapd-0:3.0.7-24.el8.tuxcare.els1.i686",
                  "product_id": "cyrus-imapd-0:3.0.7-24.el8.tuxcare.els1.i686",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/tuxcare/cyrus-imapd@3.0.7-24.el8.tuxcare.els1?arch=i686"
                  }
                }
              }
            ],
            "category": "architecture",
            "name": "i686"
          }
        ],
        "category": "vendor",
        "name": "TuxCare"
      }
    ],
    "relationships": [
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "cyrus-imapd-doc-extra-0:3.0.7-24.el8.tuxcare.els1.noarch as a component of Community Enterprise Operating System 8",
          "product_id": "CentOS-Stream-8:cyrus-imapd-doc-extra-0:3.0.7-24.el8.tuxcare.els1.noarch"
        },
        "product_reference": "cyrus-imapd-doc-extra-0:3.0.7-24.el8.tuxcare.els1.noarch",
        "relates_to_product_reference": "CentOS-Stream-8"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "cyrus-imapd-utils-0:3.0.7-24.el8.tuxcare.els1.x86_64 as a component of Community Enterprise Operating System 8",
          "product_id": "CentOS-Stream-8:cyrus-imapd-utils-0:3.0.7-24.el8.tuxcare.els1.x86_64"
        },
        "product_reference": "cyrus-imapd-utils-0:3.0.7-24.el8.tuxcare.els1.x86_64",
        "relates_to_product_reference": "CentOS-Stream-8"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "cyrus-imapd-utils-0:3.0.7-24.el8.tuxcare.els1.i686 as a component of Community Enterprise Operating System 8",
          "product_id": "CentOS-Stream-8:cyrus-imapd-utils-0:3.0.7-24.el8.tuxcare.els1.i686"
        },
        "product_reference": "cyrus-imapd-utils-0:3.0.7-24.el8.tuxcare.els1.i686",
        "relates_to_product_reference": "CentOS-Stream-8"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "cyrus-imapd-devel-0:3.0.7-24.el8.tuxcare.els1.x86_64 as a component of Community Enterprise Operating System 8",
          "product_id": "CentOS-Stream-8:cyrus-imapd-devel-0:3.0.7-24.el8.tuxcare.els1.x86_64"
        },
        "product_reference": "cyrus-imapd-devel-0:3.0.7-24.el8.tuxcare.els1.x86_64",
        "relates_to_product_reference": "CentOS-Stream-8"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "cyrus-imapd-devel-0:3.0.7-24.el8.tuxcare.els1.i686 as a component of Community Enterprise Operating System 8",
          "product_id": "CentOS-Stream-8:cyrus-imapd-devel-0:3.0.7-24.el8.tuxcare.els1.i686"
        },
        "product_reference": "cyrus-imapd-devel-0:3.0.7-24.el8.tuxcare.els1.i686",
        "relates_to_product_reference": "CentOS-Stream-8"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "cyrus-imapd-vzic-0:3.0.7-24.el8.tuxcare.els1.i686 as a component of Community Enterprise Operating System 8",
          "product_id": "CentOS-Stream-8:cyrus-imapd-vzic-0:3.0.7-24.el8.tuxcare.els1.i686"
        },
        "product_reference": "cyrus-imapd-vzic-0:3.0.7-24.el8.tuxcare.els1.i686",
        "relates_to_product_reference": "CentOS-Stream-8"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "cyrus-imapd-vzic-0:3.0.7-24.el8.tuxcare.els1.x86_64 as a component of Community Enterprise Operating System 8",
          "product_id": "CentOS-Stream-8:cyrus-imapd-vzic-0:3.0.7-24.el8.tuxcare.els1.x86_64"
        },
        "product_reference": "cyrus-imapd-vzic-0:3.0.7-24.el8.tuxcare.els1.x86_64",
        "relates_to_product_reference": "CentOS-Stream-8"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "cyrus-imapd-0:3.0.7-24.el8.tuxcare.els1.i686 as a component of Community Enterprise Operating System 8",
          "product_id": "CentOS-Stream-8:cyrus-imapd-0:3.0.7-24.el8.tuxcare.els1.i686"
        },
        "product_reference": "cyrus-imapd-0:3.0.7-24.el8.tuxcare.els1.i686",
        "relates_to_product_reference": "CentOS-Stream-8"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "cyrus-imapd-0:3.0.7-24.el8.tuxcare.els1.x86_64 as a component of Community Enterprise Operating System 8",
          "product_id": "CentOS-Stream-8:cyrus-imapd-0:3.0.7-24.el8.tuxcare.els1.x86_64"
        },
        "product_reference": "cyrus-imapd-0:3.0.7-24.el8.tuxcare.els1.x86_64",
        "relates_to_product_reference": "CentOS-Stream-8"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-61915",
      "cwe": {
        "id": "CWE-415",
        "name": "Double Free"
      },
      "notes": [
        {
          "category": "description",
          "text": "An issue was discovered in Cyrus IMAP before 3.12.4. There is a VPATCH BYPARAM double-free. An authenticated calendar user could crash a Cyrus CalDAV worker with a PATCH containing PATCH-ACTION=\"BYPARAM@...\" against a resource with two or more properties of the matched kind. The memory holding the selector would be freed once on each iteration over the properties.",
          "title": "Vulnerability description"
        }
      ],
      "product_status": {
        "fixed": [
          "CentOS-Stream-8:cyrus-imapd-0:3.0.7-24.el8.tuxcare.els1.i686",
          "CentOS-Stream-8:cyrus-imapd-0:3.0.7-24.el8.tuxcare.els1.x86_64",
          "CentOS-Stream-8:cyrus-imapd-devel-0:3.0.7-24.el8.tuxcare.els1.i686",
          "CentOS-Stream-8:cyrus-imapd-devel-0:3.0.7-24.el8.tuxcare.els1.x86_64",
          "CentOS-Stream-8:cyrus-imapd-doc-extra-0:3.0.7-24.el8.tuxcare.els1.noarch",
          "CentOS-Stream-8:cyrus-imapd-utils-0:3.0.7-24.el8.tuxcare.els1.i686",
          "CentOS-Stream-8:cyrus-imapd-utils-0:3.0.7-24.el8.tuxcare.els1.x86_64",
          "CentOS-Stream-8:cyrus-imapd-vzic-0:3.0.7-24.el8.tuxcare.els1.i686",
          "CentOS-Stream-8:cyrus-imapd-vzic-0:3.0.7-24.el8.tuxcare.els1.x86_64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://cve.tuxcare.com/els/cve/CVE-2026-61915"
        },
        {
          "category": "external",
          "summary": "https://cyrusimap.org",
          "url": "https://cyrusimap.org/"
        },
        {
          "category": "external",
          "summary": "https://www.cyrusimap.org/3.12/imap/download/release-notes/3.10/x/3.10.4.html",
          "url": "https://www.cyrusimap.org/3.12/imap/download/release-notes/3.10/x/3.10.4.html"
        },
        {
          "category": "external",
          "summary": "https://www.cyrusimap.org/3.12/imap/download/release-notes/3.12/x/3.12.4.html",
          "url": "https://www.cyrusimap.org/3.12/imap/download/release-notes/3.12/x/3.12.4.html"
        },
        {
          "category": "external",
          "summary": "https://www.cyrusimap.org/3.12/imap/download/release-notes/3.8/x/3.8.8.html",
          "url": "https://www.cyrusimap.org/3.12/imap/download/release-notes/3.8/x/3.8.8.html"
        }
      ],
      "release_date": "2026-09-09T20:18:00Z",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-09-30T11:58:00.326296Z",
          "details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1790769478",
          "product_ids": [
            "CentOS-Stream-8:cyrus-imapd-0:3.0.7-24.el8.tuxcare.els1.i686",
            "CentOS-Stream-8:cyrus-imapd-0:3.0.7-24.el8.tuxcare.els1.x86_64",
            "CentOS-Stream-8:cyrus-imapd-devel-0:3.0.7-24.el8.tuxcare.els1.i686",
            "CentOS-Stream-8:cyrus-imapd-devel-0:3.0.7-24.el8.tuxcare.els1.x86_64",
            "CentOS-Stream-8:cyrus-imapd-doc-extra-0:3.0.7-24.el8.tuxcare.els1.noarch",
            "CentOS-Stream-8:cyrus-imapd-utils-0:3.0.7-24.el8.tuxcare.els1.i686",
            "CentOS-Stream-8:cyrus-imapd-utils-0:3.0.7-24.el8.tuxcare.els1.x86_64",
            "CentOS-Stream-8:cyrus-imapd-vzic-0:3.0.7-24.el8.tuxcare.els1.i686",
            "CentOS-Stream-8:cyrus-imapd-vzic-0:3.0.7-24.el8.tuxcare.els1.x86_64"
          ],
          "url": "https://cve.tuxcare.com/els/releases/CLSA-2026:1790769478"
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ]
    }
  ]
}