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{"acknowledgement": "Red Hat would like to thank AISLE Research for reporting this issue.", "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"}, "csaw": false, "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": "draft"}, "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."], "mitigation": {"lang": "en:us", "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."}, "name": "CVE-2026-73197", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "ipa", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "ipa", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Affected", "package_name": "ipa", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "ipa", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "ipa", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-08-20T10:05:49Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-73197\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-73197"], "threat_severity": "Important"}