{
  "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/centos7els/vex/2022/cve-2022-0711-els_os-centos7els.json"
      }
    ],
    "tracking": {
      "current_release_date": "2026-10-15T17:39:54Z",
      "generator": {
        "date": "2026-10-15T17:39:54Z",
        "engine": {
          "name": "pyCSAF"
        }
      },
      "id": "CVE-2022-0711-ELS_OS-CENTOS7ELS",
      "initial_release_date": "2022-03-02T22:15:00Z",
      "revision_history": [
        {
          "date": "2022-03-02T22:15:00Z",
          "number": "1",
          "summary": "Initial version"
        },
        {
          "date": "2026-09-29T14:54:10Z",
          "number": "2",
          "summary": "Official Publication"
        },
        {
          "date": "2026-10-15T17:39:54Z",
          "number": "3",
          "summary": "Update document"
        }
      ],
      "status": "final",
      "version": "3"
    },
    "title": "Security update on CVE-2022-0711"
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_name",
                "name": "Community Enterprise Operating System 7",
                "product": {
                  "name": "Community Enterprise Operating System 7",
                  "product_id": "CentOS-7",
                  "product_identification_helper": {
                    "cpe": "cpe:2.3:o:centos:centos:7:*:*:*:*:*:*:*"
                  }
                }
              }
            ],
            "category": "product_family",
            "name": "Community Enterprise Operating System"
          }
        ],
        "category": "vendor",
        "name": "Red Hat, Inc."
      },
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "haproxy-0:1.5.18-9.el7_9.1.tuxcare.els1.i686",
                "product": {
                  "name": "haproxy-0:1.5.18-9.el7_9.1.tuxcare.els1.i686",
                  "product_id": "haproxy-0:1.5.18-9.el7_9.1.tuxcare.els1.i686",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/tuxcare/haproxy@1.5.18-9.el7_9.1.tuxcare.els1?arch=i686"
                  }
                }
              }
            ],
            "category": "architecture",
            "name": "i686"
          },
          {
            "branches": [
              {
                "category": "product_version",
                "name": "haproxy-0:1.5.18-9.el7_9.1.tuxcare.els1.x86_64",
                "product": {
                  "name": "haproxy-0:1.5.18-9.el7_9.1.tuxcare.els1.x86_64",
                  "product_id": "haproxy-0:1.5.18-9.el7_9.1.tuxcare.els1.x86_64",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/tuxcare/haproxy@1.5.18-9.el7_9.1.tuxcare.els1?arch=x86_64"
                  }
                }
              }
            ],
            "category": "architecture",
            "name": "x86_64"
          }
        ],
        "category": "vendor",
        "name": "TuxCare"
      }
    ],
    "relationships": [
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "haproxy-0:1.5.18-9.el7_9.1.tuxcare.els1.i686 as a component of Community Enterprise Operating System 7",
          "product_id": "CentOS-7:haproxy-0:1.5.18-9.el7_9.1.tuxcare.els1.i686"
        },
        "product_reference": "haproxy-0:1.5.18-9.el7_9.1.tuxcare.els1.i686",
        "relates_to_product_reference": "CentOS-7"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "haproxy-0:1.5.18-9.el7_9.1.tuxcare.els1.x86_64 as a component of Community Enterprise Operating System 7",
          "product_id": "CentOS-7:haproxy-0:1.5.18-9.el7_9.1.tuxcare.els1.x86_64"
        },
        "product_reference": "haproxy-0:1.5.18-9.el7_9.1.tuxcare.els1.x86_64",
        "relates_to_product_reference": "CentOS-7"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2022-0711",
      "cwe": {
        "id": "CWE-835",
        "name": "Loop with Unreachable Exit Condition ('Infinite Loop')"
      },
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in the way HAProxy processed HTTP responses containing the \"Set-Cookie2\" header. This flaw could allow an attacker to send crafted HTTP response packets which lead to an infinite loop, eventually resulting in a denial of service condition. The highest threat from this vulnerability is availability.",
          "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": [
          "CentOS-7:haproxy-0:1.5.18-9.el7_9.1.tuxcare.els1.i686",
          "CentOS-7:haproxy-0:1.5.18-9.el7_9.1.tuxcare.els1.x86_64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://cve.tuxcare.com/els/cve/CVE-2022-0711"
        },
        {
          "category": "external",
          "summary": "https://access.redhat.com/security/cve/cve-2022-0711",
          "url": "https://access.redhat.com/security/cve/cve-2022-0711"
        },
        {
          "category": "external",
          "summary": "https://github.com/haproxy/haproxy/commit/bfb15ab34ead85f64cd6da0e9fb418c9cd14cee8",
          "url": "https://github.com/haproxy/haproxy/commit/bfb15ab34ead85f64cd6da0e9fb418c9cd14cee8"
        },
        {
          "category": "external",
          "summary": "https://www.debian.org/security/2022/dsa-5102",
          "url": "https://www.debian.org/security/2022/dsa-5102"
        },
        {
          "category": "external",
          "summary": "https://www.mail-archive.com/haproxy%40formilux.org/msg41833.html",
          "url": "https://www.mail-archive.com/haproxy%40formilux.org/msg41833.html"
        }
      ],
      "release_date": "2022-03-02T22:15:00Z",
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        },
        {
          "category": "impact",
          "date": "2026-10-15T15:22:31.100664Z",
          "details": "The haproxy package for CentOS 7 ELS is not affected by CVE-2022-0711. The vulnerable unbounded loop exists only in the HTX server-side cookie handling introduced with HAProxy 1.9, while the shipped 1.5.18 version predates HTX and handles the Set-Cookie2 header through its legacy linear header walk.",
          "product_ids": [
            "CentOS-7:haproxy-0:1.5.18-9.el7_9.1.tuxcare.els1.i686",
            "CentOS-7:haproxy-0:1.5.18-9.el7_9.1.tuxcare.els1.x86_64"
          ]
        }
      ]
    }
  ]
}