{"description":"Trending threats, MITRE ATT\u0026CK coverage, and detection metadata. Fed continuously.","favicon":"https://feed.craftedsignal.io/favicon-32x32.png","feed_url":"https://feed.craftedsignal.io/tags/cve-2026-73197/feed.json","home_page_url":"https://feed.craftedsignal.io/","icon":"https://feed.craftedsignal.io/apple-touch-icon.png","items":[{"_cs_actors":[],"_cs_cpes":[],"_cs_cves":[{"cvss":7.5,"id":"CVE-2026-73197"}],"_cs_exploited":false,"_cs_has_poc":false,"_cs_poc_references":[],"_cs_products":["FreeIPA","Red Hat Enterprise Linux 10","Red Hat Enterprise Linux 7","Red Hat Enterprise Linux 8","Red Hat Enterprise Linux 9"],"_cs_severities":["low"],"_cs_tags":["denial-of-service","vulnerability","cve-2026-73197"],"_cs_type":"advisory","_cs_vendors":["Red Hat"],"content_html":"\u003cp\u003eCVE-2026-73197 is a high-severity vulnerability discovered in FreeIPA, specifically impacting the \u003ccode\u003e/ipa/migration/migration.py\u003c/code\u003e endpoint. An unauthenticated remote attacker can exploit this flaw by sending specially crafted, oversized form POST requests to the migration handler.\u003c/p\u003e\n\u003cp\u003eThe vulnerability stems from improper resource management (CWE-770: Allocation of Resources Without Limits or Throttling), where the application attempts to read the entire attacker-controlled request body into memory without applying limits. Successive or large concurrent requests of this nature result in significant memory consumption, degrading request processing performance, and eventually leading to a complete service disruption or denial-of-service (DoS) state. This affects various Red Hat Enterprise Linux versions where the FreeIPA package is deployed. Defenders should prioritize limiting request body sizes or applying rate-limiting/WAF rules to the affected migration endpoint.\u003c/p\u003e\n\u003ch2 id=\"impact\"\u003eImpact\u003c/h2\u003e\n\u003cp\u003eSuccessful exploitation results in a denial-of-service condition, rendering the FreeIPA service unavailable to legitimate users. This impacts authentication and identity management services across organizations relying on FreeIPA for directory and PKI services.\u003c/p\u003e\n\u003ch2 id=\"recommendation\"\u003eRecommendation\u003c/h2\u003e\n\u003cul\u003e\n\u003cli\u003eApply vendor-supplied patches for the FreeIPA package as released by Red Hat.\u003c/li\u003e\n\u003cli\u003eImplement request body size limits on web application firewalls (WAF) or reverse proxies (such as Apache or Nginx) protecting the \u003ccode\u003e/ipa/migration/migration.py\u003c/code\u003e URI.\u003c/li\u003e\n\u003cli\u003eMonitor web server access logs for anomalous, high-frequency, or large-payload POST requests directed at the migration endpoint.\u003c/li\u003e\n\u003c/ul\u003e\n","date_modified":"2026-08-20T13:14:57Z","date_published":"2026-08-20T13:14:57Z","id":"https://feed.craftedsignal.io/briefs/2026-08-freeipa-dos/","summary":"An unauthenticated remote denial-of-service vulnerability in FreeIPA, tracked as CVE-2026-73197, allows attackers to exhaust system memory by sending oversized form POST requests to the migration endpoint.","title":"Denial of Service Vulnerability in FreeIPA Migration Handler","url":"https://feed.craftedsignal.io/briefs/2026-08-freeipa-dos/"}],"language":"en","title":"CraftedSignal Threat Feed - Cve-2026-73197","version":"https://jsonfeed.org/version/1.1"}