{
  "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/oraclelinux7els/vex/2023/cve-2023-28319-els_os-oraclelinux7els.json"
      }
    ],
    "tracking": {
      "current_release_date": "2026-05-04T17:11:47Z",
      "generator": {
        "date": "2026-05-04T17:11:47Z",
        "engine": {
          "name": "pyCSAF"
        }
      },
      "id": "CVE-2023-28319-ELS_OS-ORACLELINUX7ELS",
      "initial_release_date": "2023-05-26T21:15:00Z",
      "revision_history": [
        {
          "date": "2023-05-26T21:15:00Z",
          "number": "1",
          "summary": "Initial version"
        },
        {
          "date": "2026-05-04T17:11:47Z",
          "number": "2",
          "summary": "Official Publication"
        }
      ],
      "status": "final",
      "version": "2"
    },
    "title": "Security update on CVE-2023-28319"
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_name",
                "name": "Oracle Linux 7",
                "product": {
                  "name": "Oracle Linux 7",
                  "product_id": "Oracle-Linux-7",
                  "product_identification_helper": {
                    "cpe": "cpe:2.3:o:oracle:linux:7:*:*:*:*:*:*:*"
                  }
                }
              }
            ],
            "category": "product_family",
            "name": "Oracle Linux"
          }
        ],
        "category": "vendor",
        "name": "Oracle Corporation"
      },
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "libcurl-devel-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.i686",
                "product": {
                  "name": "libcurl-devel-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.i686",
                  "product_id": "libcurl-devel-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.i686",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/tuxcare/libcurl-devel@7.29.0-59.0.3.el7_9.2.tuxcare.els2?arch=i686"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "libcurl-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.i686",
                "product": {
                  "name": "libcurl-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.i686",
                  "product_id": "libcurl-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.i686",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/tuxcare/libcurl@7.29.0-59.0.3.el7_9.2.tuxcare.els2?arch=i686"
                  }
                }
              }
            ],
            "category": "architecture",
            "name": "i686"
          },
          {
            "branches": [
              {
                "category": "product_version",
                "name": "libcurl-devel-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.x86_64",
                "product": {
                  "name": "libcurl-devel-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.x86_64",
                  "product_id": "libcurl-devel-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.x86_64",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/tuxcare/libcurl-devel@7.29.0-59.0.3.el7_9.2.tuxcare.els2?arch=x86_64"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "libcurl-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.x86_64",
                "product": {
                  "name": "libcurl-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.x86_64",
                  "product_id": "libcurl-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.x86_64",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/tuxcare/libcurl@7.29.0-59.0.3.el7_9.2.tuxcare.els2?arch=x86_64"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "curl-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.x86_64",
                "product": {
                  "name": "curl-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.x86_64",
                  "product_id": "curl-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.x86_64",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/tuxcare/curl@7.29.0-59.0.3.el7_9.2.tuxcare.els2?arch=x86_64"
                  }
                }
              }
            ],
            "category": "architecture",
            "name": "x86_64"
          }
        ],
        "category": "vendor",
        "name": "TuxCare"
      }
    ],
    "relationships": [
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "libcurl-devel-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.i686 as a component of Oracle Linux 7",
          "product_id": "Oracle-Linux-7:libcurl-devel-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.i686"
        },
        "product_reference": "libcurl-devel-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.i686",
        "relates_to_product_reference": "Oracle-Linux-7"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "libcurl-devel-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.x86_64 as a component of Oracle Linux 7",
          "product_id": "Oracle-Linux-7:libcurl-devel-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.x86_64"
        },
        "product_reference": "libcurl-devel-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.x86_64",
        "relates_to_product_reference": "Oracle-Linux-7"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "libcurl-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.x86_64 as a component of Oracle Linux 7",
          "product_id": "Oracle-Linux-7:libcurl-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.x86_64"
        },
        "product_reference": "libcurl-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.x86_64",
        "relates_to_product_reference": "Oracle-Linux-7"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "libcurl-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.i686 as a component of Oracle Linux 7",
          "product_id": "Oracle-Linux-7:libcurl-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.i686"
        },
        "product_reference": "libcurl-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.i686",
        "relates_to_product_reference": "Oracle-Linux-7"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "curl-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.x86_64 as a component of Oracle Linux 7",
          "product_id": "Oracle-Linux-7:curl-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.x86_64"
        },
        "product_reference": "curl-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.x86_64",
        "relates_to_product_reference": "Oracle-Linux-7"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2023-28319",
      "cwe": {
        "id": "CWE-416",
        "name": "Use After Free"
      },
      "notes": [
        {
          "category": "description",
          "text": "A use after free vulnerability exists in curl <v8.1.0 in the way libcurl offers a feature to verify an SSH server's public key using a SHA 256 hash. When this check fails, libcurl would free the memory for the fingerprint before it returns an error message containing the (now freed) hash. This flaw risks inserting sensitive heap-based data into the error message that might be shown to users or otherwise get leaked and revealed.",
          "title": "Vulnerability description"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        },
        {
          "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": [
          "Oracle-Linux-7:curl-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.x86_64",
          "Oracle-Linux-7:libcurl-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.i686",
          "Oracle-Linux-7:libcurl-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.x86_64",
          "Oracle-Linux-7:libcurl-devel-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.i686",
          "Oracle-Linux-7:libcurl-devel-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.x86_64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://cve.tuxcare.com/els/cve/CVE-2023-28319"
        },
        {
          "category": "external",
          "summary": "http://seclists.org/fulldisclosure/2023/Jul/47",
          "url": "http://seclists.org/fulldisclosure/2023/Jul/47"
        },
        {
          "category": "external",
          "summary": "http://seclists.org/fulldisclosure/2023/Jul/48",
          "url": "http://seclists.org/fulldisclosure/2023/Jul/48"
        },
        {
          "category": "external",
          "summary": "http://seclists.org/fulldisclosure/2023/Jul/52",
          "url": "http://seclists.org/fulldisclosure/2023/Jul/52"
        },
        {
          "category": "external",
          "summary": "https://hackerone.com/reports/1913733",
          "url": "https://hackerone.com/reports/1913733"
        },
        {
          "category": "external",
          "summary": "https://security.gentoo.org/glsa/202310-12",
          "url": "https://security.gentoo.org/glsa/202310-12"
        },
        {
          "category": "external",
          "summary": "https://security.netapp.com/advisory/ntap-20230609-0009/",
          "url": "https://security.netapp.com/advisory/ntap-20230609-0009/"
        },
        {
          "category": "external",
          "summary": "https://support.apple.com/kb/HT213843",
          "url": "https://support.apple.com/kb/HT213843"
        },
        {
          "category": "external",
          "summary": "https://support.apple.com/kb/HT213844",
          "url": "https://support.apple.com/kb/HT213844"
        },
        {
          "category": "external",
          "summary": "https://support.apple.com/kb/HT213845",
          "url": "https://support.apple.com/kb/HT213845"
        }
      ],
      "release_date": "2023-05-26T21:15:00Z",
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
            "version": "3.1"
          },
          "products": [
            "Oracle-Linux-7:curl-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.x86_64",
            "Oracle-Linux-7:libcurl-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.i686",
            "Oracle-Linux-7:libcurl-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.x86_64",
            "Oracle-Linux-7:libcurl-devel-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.i686",
            "Oracle-Linux-7:libcurl-devel-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        },
        {
          "category": "impact",
          "details": "important",
          "product_ids": [
            "Oracle-Linux-7:curl-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.x86_64",
            "Oracle-Linux-7:libcurl-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.i686",
            "Oracle-Linux-7:libcurl-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.x86_64",
            "Oracle-Linux-7:libcurl-devel-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.i686",
            "Oracle-Linux-7:libcurl-devel-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.x86_64"
          ]
        }
      ]
    }
  ]
}