{
  "document": {
    "aggregate_severity": {
      "text": "Critical"
    },
    "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": "CVE-2025-54574: fix heap buffer overflow in URN parsing",
        "title": "Details"
      }
    ],
    "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/rhel7els/advisories/2025/clsa-2025_1757010850.json"
      },
      {
        "category": "self",
        "summary": "https://cve.tuxcare.com/els/releases/CLSA-2025:1757010850",
        "url": "https://cve.tuxcare.com/els/releases/CLSA-2025:1757010850"
      }
    ],
    "tracking": {
      "current_release_date": "2025-09-04T18:34:38Z",
      "generator": {
        "date": "2025-09-04T18:34:38Z",
        "engine": {
          "name": "pyCSAF"
        }
      },
      "id": "CLSA-2025:1757010850",
      "initial_release_date": "2025-09-04T18:34:38Z",
      "revision_history": [
        {
          "date": "2025-09-04T18:34:38Z",
          "number": "1",
          "summary": "Initial version"
        }
      ],
      "status": "final",
      "version": "1"
    },
    "title": "squid: Fix of CVE-2025-54574"
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_name",
                "name": "Red Hat Enterprise Linux 7",
                "product": {
                  "name": "Red Hat Enterprise Linux 7",
                  "product_id": "Red-Hat-7",
                  "product_identification_helper": {
                    "cpe": "cpe:2.3:o:redhat:enterprise_linux:7:*:*:*:*:*:*:*"
                  }
                }
              }
            ],
            "category": "product_family",
            "name": "Red Hat Enterprise Linux"
          }
        ],
        "category": "vendor",
        "name": "Red Hat, Inc."
      },
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "squid-migration-script-7:3.5.20-17.0.5.el7_9.13.tuxcare.els2.x86_64",
                "product": {
                  "name": "squid-migration-script-7:3.5.20-17.0.5.el7_9.13.tuxcare.els2.x86_64",
                  "product_id": "squid-migration-script-7:3.5.20-17.0.5.el7_9.13.tuxcare.els2.x86_64",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/tuxcare/squid-migration-script@3.5.20-17.0.5.el7_9.13.tuxcare.els2?arch=x86_64&epoch=7"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "squid-sysvinit-7:3.5.20-17.0.5.el7_9.13.tuxcare.els2.x86_64",
                "product": {
                  "name": "squid-sysvinit-7:3.5.20-17.0.5.el7_9.13.tuxcare.els2.x86_64",
                  "product_id": "squid-sysvinit-7:3.5.20-17.0.5.el7_9.13.tuxcare.els2.x86_64",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/tuxcare/squid-sysvinit@3.5.20-17.0.5.el7_9.13.tuxcare.els2?arch=x86_64&epoch=7"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "squid-7:3.5.20-17.0.5.el7_9.13.tuxcare.els2.x86_64",
                "product": {
                  "name": "squid-7:3.5.20-17.0.5.el7_9.13.tuxcare.els2.x86_64",
                  "product_id": "squid-7:3.5.20-17.0.5.el7_9.13.tuxcare.els2.x86_64",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/tuxcare/squid@3.5.20-17.0.5.el7_9.13.tuxcare.els2?arch=x86_64&epoch=7"
                  }
                }
              }
            ],
            "category": "architecture",
            "name": "x86_64"
          }
        ],
        "category": "vendor",
        "name": "TuxCare"
      }
    ],
    "relationships": [
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "squid-migration-script-7:3.5.20-17.0.5.el7_9.13.tuxcare.els2.x86_64 as a component of Red Hat Enterprise Linux 7",
          "product_id": "Red-Hat-7:squid-migration-script-7:3.5.20-17.0.5.el7_9.13.tuxcare.els2.x86_64"
        },
        "product_reference": "squid-migration-script-7:3.5.20-17.0.5.el7_9.13.tuxcare.els2.x86_64",
        "relates_to_product_reference": "Red-Hat-7"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "squid-sysvinit-7:3.5.20-17.0.5.el7_9.13.tuxcare.els2.x86_64 as a component of Red Hat Enterprise Linux 7",
          "product_id": "Red-Hat-7:squid-sysvinit-7:3.5.20-17.0.5.el7_9.13.tuxcare.els2.x86_64"
        },
        "product_reference": "squid-sysvinit-7:3.5.20-17.0.5.el7_9.13.tuxcare.els2.x86_64",
        "relates_to_product_reference": "Red-Hat-7"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "squid-7:3.5.20-17.0.5.el7_9.13.tuxcare.els2.x86_64 as a component of Red Hat Enterprise Linux 7",
          "product_id": "Red-Hat-7:squid-7:3.5.20-17.0.5.el7_9.13.tuxcare.els2.x86_64"
        },
        "product_reference": "squid-7:3.5.20-17.0.5.el7_9.13.tuxcare.els2.x86_64",
        "relates_to_product_reference": "Red-Hat-7"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2025-54574",
      "cwe": {
        "id": "CWE-122",
        "name": "Heap-based Buffer Overflow"
      },
      "notes": [
        {
          "category": "description",
          "text": "Squid is a caching proxy for the Web. In versions 6.3 and below, Squid is vulnerable to a heap buffer overflow and possible remote code execution attack when processing URN due to incorrect buffer management. This has been fixed in version 6.4. To work around this issue, disable URN access permissions.",
          "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"
        }
      ],
      "product_status": {
        "fixed": [
          "Red-Hat-7:squid-migration-script-7:3.5.20-17.0.5.el7_9.13.tuxcare.els2.x86_64",
          "Red-Hat-7:squid-sysvinit-7:3.5.20-17.0.5.el7_9.13.tuxcare.els2.x86_64",
          "Red-Hat-7:squid-7:3.5.20-17.0.5.el7_9.13.tuxcare.els2.x86_64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://cve.tuxcare.com/els/cve/CVE-2025-54574"
        },
        {
          "category": "external",
          "summary": "https://github.com/squid-cache/squid/commit/a27bf4b84da23594150c7a86a23435df0b35b988",
          "url": "https://github.com/squid-cache/squid/commit/a27bf4b84da23594150c7a86a23435df0b35b988"
        },
        {
          "category": "external",
          "summary": "https://github.com/squid-cache/squid/releases/tag/SQUID_6_4",
          "url": "https://github.com/squid-cache/squid/releases/tag/SQUID_6_4"
        },
        {
          "category": "external",
          "summary": "https://github.com/squid-cache/squid/security/advisories/GHSA-w4gv-vw3f-29g3",
          "url": "https://github.com/squid-cache/squid/security/advisories/GHSA-w4gv-vw3f-29g3"
        }
      ],
      "release_date": "2025-08-01T18:15:00",
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 9.8,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "products": [
            "Red-Hat-7:squid-migration-script-7:3.5.20-17.0.5.el7_9.13.tuxcare.els2.x86_64",
            "Red-Hat-7:squid-sysvinit-7:3.5.20-17.0.5.el7_9.13.tuxcare.els2.x86_64",
            "Red-Hat-7:squid-7:3.5.20-17.0.5.el7_9.13.tuxcare.els2.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Critical"
        }
      ]
    }
  ]
}