What is CVE-2026-73197?

CVE-2026-73197 is a high-severity vulnerability in Red Hat Enterprise Linux 10, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2026-08-20.

How severe is CVE-2026-73197?

High severity. CVSS v3 base score is 7.5 out of 10.

Resource exhaustion in Red Hat Enterprise Linux 10

CVE-2026-73197

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.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

CWE-770 — Allocation of Resources Without Limits or Throttling

References

secalert@redhat.com (x_refsource_REDHAT, vdb-entry)
secalert@redhat.com (x_refsource_REDHAT, issue-tracking)

Frequently asked questions

What is CVE-2026-73197?: CVE-2026-73197 is a high-severity vulnerability in Red Hat Enterprise Linux 10, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2026-08-20.
How severe is CVE-2026-73197?: High severity. CVSS v3 base score is 7.5 out of 10.