{
  "threat_severity" : "Low",
  "public_date" : "2023-08-22T00:00:00Z",
  "bugzilla" : {
    "description" : "postgresql: Stack buffer overflow when continuously send SIGHUP",
    "id" : "2235010",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2235010"
  },
  "cvss3" : {
    "cvss3_base_score" : "4.4",
    "cvss3_scoring_vector" : "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H",
    "status" : "draft"
  },
  "cwe" : "CWE-120",
  "details" : [ "An issue was discovered in PostgreSQL 12.2 allows attackers to cause a denial of service via repeatedly sending SIGHUP signals. NOTE: this is disputed by the vendor because untrusted users cannot send SIGHUP signals; they can only be sent by a PostgreSQL superuser, a user with pg_reload_conf access, or a user with sufficient privileges at the OS level (the postgres account or the root account).", "A flaw was found in PostgreSQL 12.2. This issue may allow an attacker to cause a denial of service via repeatedly sending SIGHUP signals." ],
  "statement" : "This flaw is not actually considered a security vulnerability by upstream and is being disputed. Please check the external reference links for more info.",
  "package_state" : [ {
    "product_name" : "Red Hat Enterprise Linux 6",
    "fix_state" : "Out of support scope",
    "package_name" : "postgresql",
    "cpe" : "cpe:/o:redhat:enterprise_linux:6"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7",
    "fix_state" : "Out of support scope",
    "package_name" : "postgresql",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "fix_state" : "Fix deferred",
    "package_name" : "postgresql:10/postgresql",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "fix_state" : "Fix deferred",
    "package_name" : "postgresql:12/postgresql",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "fix_state" : "Not affected",
    "package_name" : "postgresql:13/postgresql",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "fix_state" : "Not affected",
    "package_name" : "postgresql:15/postgresql",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "fix_state" : "Not affected",
    "package_name" : "postgresql",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "fix_state" : "Not affected",
    "package_name" : "postgresql:15/postgresql",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9"
  }, {
    "product_name" : "Red Hat Software Collections",
    "fix_state" : "Fix deferred",
    "package_name" : "rh-postgresql10-postgresql",
    "cpe" : "cpe:/a:redhat:rhel_software_collections:3"
  }, {
    "product_name" : "Red Hat Software Collections",
    "fix_state" : "Fix deferred",
    "package_name" : "rh-postgresql12-postgresql",
    "cpe" : "cpe:/a:redhat:rhel_software_collections:3"
  }, {
    "product_name" : "Red Hat Software Collections",
    "fix_state" : "Not affected",
    "package_name" : "rh-postgresql13-postgresql",
    "cpe" : "cpe:/a:redhat:rhel_software_collections:3"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2020-21469\nhttps://nvd.nist.gov/vuln/detail/CVE-2020-21469\nhttps://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-21469\nhttps://github.com/postgres/postgres/commit/9abb2bfc046070b22e3be28173a0736da31cab5a\nhttps://opensourcewatch.beehiiv.com/p/now-postgresqls-turn-bogus-cve\nhttps://www.postgresql.org/message-id/CAA8ZSMqAHDCgo07hqKoM5XJaoQy6Vv76O7966agez4ffyQktkA%40mail.gmail.com" ],
  "name" : "CVE-2020-21469",
  "csaw" : false
}