CVE-2026-73198: Freeipa

High severity, CVSS 7.5. EPSS: 0.4% chance of exploitation in the next 30 days.

A flaw was found in FreeIPA. A remote, unauthenticated attacker can exploit a vulnerability in the `/ipa/i18n_messages` endpoint by sending an arbitrarily large request body. This can cause the service to consume excessive memory, leading to memory exhaustion, degraded responsiveness, and a denial of service (DoS) condition.

Affected products

• Freeipa Freeipa: before 4.13.3 (fixed in 4.13.3)
• Red Hat Enterprise Linux: version 6.0 only; version 7.0 only; version 8.0 only; version 9.0 only; version 10.0 only

Published 2026-08-20. Last modified 2026-09-28.