{
  "threat_severity" : "Important",
  "public_date" : "2022-02-23T14:48:00Z",
  "bugzilla" : {
    "description" : "haproxy: Denial of service via set-cookie2 header",
    "id" : "2053666",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2053666"
  },
  "cvss3" : {
    "cvss3_base_score" : "7.5",
    "cvss3_scoring_vector" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
    "status" : "verified"
  },
  "cwe" : "CWE-835",
  "details" : [ "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.", "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." ],
  "statement" : "This issue was introduced in HAProxy 1.9 with the Native HTTP Representation (HTX). Red Hat Enterprise Linux 6, 7, 8 and Red Hat Software Collections are not affected by this flaw, as they ship older versions of `haproxy` which do not include support for HTX.",
  "affected_release" : [ {
    "product_name" : "Red Hat OpenShift Container Platform 4.6",
    "release_date" : "2022-05-04T00:00:00Z",
    "advisory" : "RHSA-2022:1620",
    "cpe" : "cpe:/a:redhat:openshift:4.6::el7",
    "package" : "haproxy-0:2.0.16-3.el7"
  }, {
    "product_name" : "Red Hat OpenShift Container Platform 4.7",
    "release_date" : "2022-04-20T00:00:00Z",
    "advisory" : "RHSA-2022:1336",
    "cpe" : "cpe:/a:redhat:openshift:4.7::el7",
    "package" : "haproxy-0:2.0.19-3.el7"
  }, {
    "product_name" : "Red Hat OpenShift Container Platform 4.8",
    "release_date" : "2022-04-11T00:00:00Z",
    "advisory" : "RHSA-2022:1153",
    "cpe" : "cpe:/a:redhat:openshift:4.8::el8",
    "package" : "haproxy-0:2.2.13-3.el8"
  }, {
    "product_name" : "Red Hat OpenShift Container Platform 4.9",
    "release_date" : "2022-03-29T00:00:00Z",
    "advisory" : "RHSA-2022:1021",
    "cpe" : "cpe:/a:redhat:openshift:4.9::el8",
    "package" : "haproxy-0:2.2.15-4.el8"
  } ],
  "package_state" : [ {
    "product_name" : "Red Hat Enterprise Linux 6",
    "fix_state" : "Not affected",
    "package_name" : "haproxy",
    "cpe" : "cpe:/o:redhat:enterprise_linux:6"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7",
    "fix_state" : "Not affected",
    "package_name" : "haproxy",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "fix_state" : "Not affected",
    "package_name" : "haproxy",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "fix_state" : "Not affected",
    "package_name" : "haproxy",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9"
  }, {
    "product_name" : "Red Hat OpenShift Container Platform 3.11",
    "fix_state" : "Not affected",
    "package_name" : "haproxy",
    "cpe" : "cpe:/a:redhat:openshift:3.11"
  }, {
    "product_name" : "Red Hat Software Collections",
    "fix_state" : "Not affected",
    "package_name" : "rh-haproxy18-haproxy",
    "cpe" : "cpe:/a:redhat:rhel_software_collections:3"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2022-0711\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-0711\nhttps://www.mail-archive.com/haproxy@formilux.org/msg41833.html" ],
  "name" : "CVE-2022-0711",
  "csaw" : false
}