CVE-2026-73198
High
Description
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.
SeverityHigh
CVSS7.5
Exploit probability—
Product
Freeipa
PublishedAug 20, 2026
First seenAug 20, 2026
Weakness typeCWE-770Allocation of resources without limits
How to fix
Update
- freeipa freeipa4.13.3 or later
Vendor advisories
- access.redhat.com/security/cve/CVE-2026-73198
- bugzilla.redhat.com/show_bug.cgi?id=2472960
- access.redhat.com/errata/RHSA-2026:70564
- access.redhat.com/errata/RHSA-2026:72279
- access.redhat.com/errata/RHSA-2026:82935
- access.redhat.com/errata/RHSA-2026:83083
- access.redhat.com/errata/RHSA-2026:83084
- access.redhat.com/errata/RHSA-2026:83085
- access.redhat.com/errata/RHSA-2026:83460
- access.redhat.com/errata/RHSA-2026:83461
- access.redhat.com/errata/RHSA-2026:89836
- access.redhat.com/errata/RHSA-2026:93452
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| freeipa freeipa | v < 4.13.3 | 4.13.3 |
| redhat enterprise_linux | 6.0, 7.0, 8.0, 9.0, 10.0 | — |
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