Denial of Service Vulnerability in FreeIPA by Red Hat
CVE-2026-73198

7.5HIGH

Key Information:

Vendor

Red Hat
Status
Red Hat Enterprise Linux 10
Red Hat Enterprise Linux 6
Red Hat Enterprise Linux 7
Red Hat Enterprise Linux 8
Vendor
CVE Published:
20 August 2026

What is CVE-2026-73198?

A vulnerability has been identified in FreeIPA that can be exploited by a remote, unauthenticated attacker. By sending an excessively large request to the /ipa/i18n_messages endpoint, the attacker can overload the system's memory capacity. This situation results in degraded responsiveness of the service and can ultimately lead to a Denial of Service condition, severely impacting the availability of the FreeIPA service.

References

https://access.redhat.com/security/cve/CVE-2026-73198
vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2472960
issue-trackingx_refsource_REDHAT

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

This issue was discovered by Found by AISLE in partnership with Red Hat.
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