{
  "document": {
    "aggregate_severity": {
      "text": "High"
    },
    "category": "csaf_vex",
    "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"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "https://tuxcare.com/contact/",
      "name": "TuxCare",
      "namespace": "https://tuxcare.com/"
    },
    "references": [
      {
        "category": "self",
        "summary": "Canonical URL",
        "url": "https://security.tuxcare.com/csaf/v2/els_os/ubuntu18.04els/vex/2025/cve-2025-12495-els_os-ubuntu18_04els.json"
      }
    ],
    "tracking": {
      "current_release_date": "2026-08-31T15:13:47Z",
      "generator": {
        "date": "2026-08-31T15:13:47Z",
        "engine": {
          "name": "pyCSAF"
        }
      },
      "id": "CVE-2025-12495-ELS_OS-UBUNTU18.04ELS",
      "initial_release_date": "2025-12-23T22:15:00Z",
      "revision_history": [
        {
          "date": "2025-12-23T22:15:00Z",
          "number": "1",
          "summary": "Initial version"
        },
        {
          "date": "2026-08-21T23:33:33Z",
          "number": "2",
          "summary": "Official Publication"
        },
        {
          "date": "2026-08-31T15:13:47Z",
          "number": "3",
          "summary": "Update document"
        }
      ],
      "status": "final",
      "version": "3"
    },
    "title": "Security update on CVE-2025-12495"
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_name",
                "name": "Ubuntu 18.04",
                "product": {
                  "name": "Ubuntu 18.04",
                  "product_id": "Ubuntu-18",
                  "product_identification_helper": {
                    "cpe": "cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*"
                  }
                }
              }
            ],
            "category": "product_family",
            "name": "Ubuntu"
          }
        ],
        "category": "vendor",
        "name": "Canonical Ltd."
      },
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "libopenexr-dev-0:2.2.0-11.1ubuntu1.9+tuxcare.els1.amd64",
                "product": {
                  "name": "libopenexr-dev-0:2.2.0-11.1ubuntu1.9+tuxcare.els1.amd64",
                  "product_id": "libopenexr-dev-0:2.2.0-11.1ubuntu1.9+tuxcare.els1.amd64",
                  "product_identification_helper": {
                    "purl": "pkg:deb/cloudlinux/libopenexr-dev@2.2.0-11.1ubuntu1.9%2Btuxcare.els1?arch=amd64"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "libopenexr22-0:2.2.0-11.1ubuntu1.9+tuxcare.els1.amd64",
                "product": {
                  "name": "libopenexr22-0:2.2.0-11.1ubuntu1.9+tuxcare.els1.amd64",
                  "product_id": "libopenexr22-0:2.2.0-11.1ubuntu1.9+tuxcare.els1.amd64",
                  "product_identification_helper": {
                    "purl": "pkg:deb/cloudlinux/libopenexr22@2.2.0-11.1ubuntu1.9%2Btuxcare.els1?arch=amd64"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "openexr-0:2.2.0-11.1ubuntu1.9+tuxcare.els1.amd64",
                "product": {
                  "name": "openexr-0:2.2.0-11.1ubuntu1.9+tuxcare.els1.amd64",
                  "product_id": "openexr-0:2.2.0-11.1ubuntu1.9+tuxcare.els1.amd64",
                  "product_identification_helper": {
                    "purl": "pkg:deb/cloudlinux/openexr@2.2.0-11.1ubuntu1.9%2Btuxcare.els1?arch=amd64"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "libopenexr-dev-0:2.2.0-11.1ubuntu1.9+tuxcare.els2.amd64",
                "product": {
                  "name": "libopenexr-dev-0:2.2.0-11.1ubuntu1.9+tuxcare.els2.amd64",
                  "product_id": "libopenexr-dev-0:2.2.0-11.1ubuntu1.9+tuxcare.els2.amd64",
                  "product_identification_helper": {
                    "purl": "pkg:deb/cloudlinux/libopenexr-dev@2.2.0-11.1ubuntu1.9%2Btuxcare.els2?arch=amd64"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "libopenexr22-0:2.2.0-11.1ubuntu1.9+tuxcare.els2.amd64",
                "product": {
                  "name": "libopenexr22-0:2.2.0-11.1ubuntu1.9+tuxcare.els2.amd64",
                  "product_id": "libopenexr22-0:2.2.0-11.1ubuntu1.9+tuxcare.els2.amd64",
                  "product_identification_helper": {
                    "purl": "pkg:deb/cloudlinux/libopenexr22@2.2.0-11.1ubuntu1.9%2Btuxcare.els2?arch=amd64"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "openexr-0:2.2.0-11.1ubuntu1.9+tuxcare.els2.amd64",
                "product": {
                  "name": "openexr-0:2.2.0-11.1ubuntu1.9+tuxcare.els2.amd64",
                  "product_id": "openexr-0:2.2.0-11.1ubuntu1.9+tuxcare.els2.amd64",
                  "product_identification_helper": {
                    "purl": "pkg:deb/cloudlinux/openexr@2.2.0-11.1ubuntu1.9%2Btuxcare.els2?arch=amd64"
                  }
                }
              }
            ],
            "category": "architecture",
            "name": "amd64"
          },
          {
            "branches": [
              {
                "category": "product_version",
                "name": "openexr-doc-0:2.2.0-11.1ubuntu1.9+tuxcare.els1.all",
                "product": {
                  "name": "openexr-doc-0:2.2.0-11.1ubuntu1.9+tuxcare.els1.all",
                  "product_id": "openexr-doc-0:2.2.0-11.1ubuntu1.9+tuxcare.els1.all",
                  "product_identification_helper": {
                    "purl": "pkg:deb/cloudlinux/openexr-doc@2.2.0-11.1ubuntu1.9%2Btuxcare.els1?arch=all"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "openexr-doc-0:2.2.0-11.1ubuntu1.9+tuxcare.els2.all",
                "product": {
                  "name": "openexr-doc-0:2.2.0-11.1ubuntu1.9+tuxcare.els2.all",
                  "product_id": "openexr-doc-0:2.2.0-11.1ubuntu1.9+tuxcare.els2.all",
                  "product_identification_helper": {
                    "purl": "pkg:deb/cloudlinux/openexr-doc@2.2.0-11.1ubuntu1.9%2Btuxcare.els2?arch=all"
                  }
                }
              }
            ],
            "category": "architecture",
            "name": "all"
          }
        ],
        "category": "vendor",
        "name": "CloudLinux"
      }
    ],
    "relationships": [
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "libopenexr-dev-0:2.2.0-11.1ubuntu1.9+tuxcare.els1.amd64 as a component of Ubuntu 18.04",
          "product_id": "Ubuntu-18:libopenexr-dev-0:2.2.0-11.1ubuntu1.9+tuxcare.els1.amd64"
        },
        "product_reference": "libopenexr-dev-0:2.2.0-11.1ubuntu1.9+tuxcare.els1.amd64",
        "relates_to_product_reference": "Ubuntu-18"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "openexr-doc-0:2.2.0-11.1ubuntu1.9+tuxcare.els1.all as a component of Ubuntu 18.04",
          "product_id": "Ubuntu-18:openexr-doc-0:2.2.0-11.1ubuntu1.9+tuxcare.els1.all"
        },
        "product_reference": "openexr-doc-0:2.2.0-11.1ubuntu1.9+tuxcare.els1.all",
        "relates_to_product_reference": "Ubuntu-18"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "libopenexr22-0:2.2.0-11.1ubuntu1.9+tuxcare.els1.amd64 as a component of Ubuntu 18.04",
          "product_id": "Ubuntu-18:libopenexr22-0:2.2.0-11.1ubuntu1.9+tuxcare.els1.amd64"
        },
        "product_reference": "libopenexr22-0:2.2.0-11.1ubuntu1.9+tuxcare.els1.amd64",
        "relates_to_product_reference": "Ubuntu-18"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "openexr-0:2.2.0-11.1ubuntu1.9+tuxcare.els1.amd64 as a component of Ubuntu 18.04",
          "product_id": "Ubuntu-18:openexr-0:2.2.0-11.1ubuntu1.9+tuxcare.els1.amd64"
        },
        "product_reference": "openexr-0:2.2.0-11.1ubuntu1.9+tuxcare.els1.amd64",
        "relates_to_product_reference": "Ubuntu-18"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "libopenexr-dev-0:2.2.0-11.1ubuntu1.9+tuxcare.els2.amd64 as a component of Ubuntu 18.04",
          "product_id": "Ubuntu-18:libopenexr-dev-0:2.2.0-11.1ubuntu1.9+tuxcare.els2.amd64"
        },
        "product_reference": "libopenexr-dev-0:2.2.0-11.1ubuntu1.9+tuxcare.els2.amd64",
        "relates_to_product_reference": "Ubuntu-18"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "openexr-doc-0:2.2.0-11.1ubuntu1.9+tuxcare.els2.all as a component of Ubuntu 18.04",
          "product_id": "Ubuntu-18:openexr-doc-0:2.2.0-11.1ubuntu1.9+tuxcare.els2.all"
        },
        "product_reference": "openexr-doc-0:2.2.0-11.1ubuntu1.9+tuxcare.els2.all",
        "relates_to_product_reference": "Ubuntu-18"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "libopenexr22-0:2.2.0-11.1ubuntu1.9+tuxcare.els2.amd64 as a component of Ubuntu 18.04",
          "product_id": "Ubuntu-18:libopenexr22-0:2.2.0-11.1ubuntu1.9+tuxcare.els2.amd64"
        },
        "product_reference": "libopenexr22-0:2.2.0-11.1ubuntu1.9+tuxcare.els2.amd64",
        "relates_to_product_reference": "Ubuntu-18"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "openexr-0:2.2.0-11.1ubuntu1.9+tuxcare.els2.amd64 as a component of Ubuntu 18.04",
          "product_id": "Ubuntu-18:openexr-0:2.2.0-11.1ubuntu1.9+tuxcare.els2.amd64"
        },
        "product_reference": "openexr-0:2.2.0-11.1ubuntu1.9+tuxcare.els2.amd64",
        "relates_to_product_reference": "Ubuntu-18"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2025-12495",
      "cwe": {
        "id": "CWE-122",
        "name": "Heap-based Buffer Overflow"
      },
      "notes": [
        {
          "category": "description",
          "text": "Academy Software Foundation OpenEXR EXR File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Academy Software Foundation OpenEXR. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.\n\nThe specific flaw exists within the parsing of EXR files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-27946.",
          "title": "Vulnerability description"
        },
        {
          "category": "other",
          "text": "TuxCare has assessed that this vulnerability does not impact any currently supported TuxCare products. This evaluation may change as new information becomes available. For additional details regarding this vulnerability and affected products, refer to the provided references.",
          "title": "Statement"
        }
      ],
      "product_status": {
        "known_not_affected": [
          "Ubuntu-18:libopenexr-dev-0:2.2.0-11.1ubuntu1.9+tuxcare.els1.amd64",
          "Ubuntu-18:libopenexr-dev-0:2.2.0-11.1ubuntu1.9+tuxcare.els2.amd64",
          "Ubuntu-18:libopenexr22-0:2.2.0-11.1ubuntu1.9+tuxcare.els1.amd64",
          "Ubuntu-18:libopenexr22-0:2.2.0-11.1ubuntu1.9+tuxcare.els2.amd64",
          "Ubuntu-18:openexr-0:2.2.0-11.1ubuntu1.9+tuxcare.els1.amd64",
          "Ubuntu-18:openexr-0:2.2.0-11.1ubuntu1.9+tuxcare.els2.amd64",
          "Ubuntu-18:openexr-doc-0:2.2.0-11.1ubuntu1.9+tuxcare.els1.all",
          "Ubuntu-18:openexr-doc-0:2.2.0-11.1ubuntu1.9+tuxcare.els2.all"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://cve.tuxcare.com/els/cve/CVE-2025-12495"
        },
        {
          "category": "external",
          "summary": "https://www.zerodayinitiative.com/advisories/ZDI-25-989/",
          "url": "https://www.zerodayinitiative.com/advisories/ZDI-25-989/"
        }
      ],
      "release_date": "2025-12-23T22:15:00Z",
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        },
        {
          "category": "impact",
          "date": "2026-08-19T18:21:14.754823Z",
          "details": "important",
          "product_ids": [
            "Ubuntu-18:libopenexr-dev-0:2.2.0-11.1ubuntu1.9+tuxcare.els1.amd64",
            "Ubuntu-18:libopenexr-dev-0:2.2.0-11.1ubuntu1.9+tuxcare.els2.amd64",
            "Ubuntu-18:libopenexr22-0:2.2.0-11.1ubuntu1.9+tuxcare.els1.amd64",
            "Ubuntu-18:libopenexr22-0:2.2.0-11.1ubuntu1.9+tuxcare.els2.amd64",
            "Ubuntu-18:openexr-0:2.2.0-11.1ubuntu1.9+tuxcare.els1.amd64",
            "Ubuntu-18:openexr-0:2.2.0-11.1ubuntu1.9+tuxcare.els2.amd64",
            "Ubuntu-18:openexr-doc-0:2.2.0-11.1ubuntu1.9+tuxcare.els1.all",
            "Ubuntu-18:openexr-doc-0:2.2.0-11.1ubuntu1.9+tuxcare.els2.all"
          ]
        }
      ]
    }
  ]
}