{
  "threat_severity" : "Important",
  "public_date" : "2026-08-20T10:05:49Z",
  "bugzilla" : {
    "description" : "ipa: FreeIPA: Unauthenticated DoS in `/ipa/migration/migration.py` via Unbounded Request Body Read",
    "id" : "2474697",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2474697"
  },
  "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-770",
  "details" : [ "A flaw was found in FreeIPA. A remote, unauthenticated attacker can exploit this vulnerability by sending oversized form POST requests to the `/ipa/migration/migration.py` endpoint. This can force the migration handler to read attacker-controlled request bodies fully into memory, leading to increased memory usage, slower request handling, and potential service disruption or denial of service.", "A flaw was found in FreeIPA. A remote, unauthenticated attacker can exploit this vulnerability by sending oversized form POST requests to the `/ipa/migration/migration.py` endpoint. This can force the migration handler to read attacker-controlled request bodies fully into memory, leading to increased memory usage, slower request handling, and potential service disruption or denial of service." ],
  "acknowledgement" : "Red Hat would like to thank AISLE Research for reporting this issue.",
  "affected_release" : [ {
    "product_name" : "Red Hat Enterprise Linux 10",
    "release_date" : "2026-09-28T00:00:00Z",
    "advisory" : "RHSA-2026:72279",
    "cpe" : "cpe:/o:redhat:enterprise_linux:10.2",
    "package" : "ipa-0:4.13.4-1.el10_2"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "release_date" : "2026-09-24T00:00:00Z",
    "advisory" : "RHSA-2026:70564",
    "cpe" : "cpe:/a:redhat:enterprise_linux:9",
    "package" : "ipa-0:4.13.4-1.el9_8"
  } ],
  "package_state" : [ {
    "product_name" : "Red Hat Enterprise Linux 6",
    "fix_state" : "Out of support scope",
    "package_name" : "ipa",
    "cpe" : "cpe:/o:redhat:enterprise_linux:6"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7",
    "fix_state" : "Affected",
    "package_name" : "ipa",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "fix_state" : "Affected",
    "package_name" : "ipa",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2026-73197\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-73197" ],
  "name" : "CVE-2026-73197",
  "mitigation" : {
    "value" : "If the `/ipa/migration` endpoint is not required, it can be disabled by commenting out or removing the `Alias /ipa/migration` and its corresponding `<Directory>` block in the Apache configuration file (e.g., `/etc/httpd/conf.d/ipa.conf`).\nAlternatively, to limit the size of request bodies processed by the `/ipa/migration` endpoint, add the `LimitRequestBody` directive within the `<Directory \"/usr/share/ipa/migration\">` block in your Apache configuration, setting a conservative limit such as 1 MiB (1048576 bytes):\n```apache\n<Directory \"/usr/share/ipa/migration\">\nLimitRequestBody 1048576\n# ... other directives ...\n</Directory>\n```\nAfter modifying the Apache configuration, the `httpd` service must be reloaded or restarted for the changes to take effect. This may temporarily interrupt service.",
    "lang" : "en:us"
  },
  "csaw" : false
}