Red Hat Security Advisory: idm:DL1 security update
Red Hat Identity Management (IdM) has security vulnerabilities in the python-kdcproxy component, including an unauthenticated Server-Side Request Forgery (SSRF) via realm-controlled DNS SRV records (CVE-2025-59088) and a remote Denial of Service (DoS) via unbounded TCP upstream buffering (CVE-2025-59089). These issues affect Red Hat Enterprise Linux 8.6 variants. Red Hat has issued an important security update to address these vulnerabilities.
AI Analysis
Technical Summary
Two security vulnerabilities were identified in the python-kdcproxy component of Red Hat Identity Management (IdM). CVE-2025-59088 is an unauthenticated SSRF vulnerability that can be triggered via realm-controlled DNS SRV records. CVE-2025-59089 is a remote Denial of Service vulnerability caused by unbounded TCP upstream buffering. Red Hat has released an update for the idm:DL1 module in Red Hat Enterprise Linux 8.6 to fix these issues. The advisory classifies the update as important and references Red Hat's official errata RHSA-2025:21819 for remediation details.
Potential Impact
The SSRF vulnerability (CVE-2025-59088) allows unauthenticated attackers to cause the system to make unintended network requests, potentially exposing internal services or data. The remote DoS vulnerability (CVE-2025-59089) can cause service disruption by exhausting resources through unbounded TCP buffering. Both vulnerabilities impact the availability and security of Red Hat IdM deployments on affected versions of Red Hat Enterprise Linux 8.6.
Mitigation Recommendations
Red Hat has released an official security update for the idm:DL1 module in Red Hat Enterprise Linux 8.6 that addresses these vulnerabilities. Users should apply this update promptly following Red Hat's guidance at https://access.redhat.com/articles/11258. No additional mitigation steps are indicated by the vendor advisory. Patch status is confirmed by the vendor advisory.
Red Hat Security Advisory: idm:DL1 security update
Description
Red Hat Identity Management (IdM) has security vulnerabilities in the python-kdcproxy component, including an unauthenticated Server-Side Request Forgery (SSRF) via realm-controlled DNS SRV records (CVE-2025-59088) and a remote Denial of Service (DoS) via unbounded TCP upstream buffering (CVE-2025-59089). These issues affect Red Hat Enterprise Linux 8.6 variants. Red Hat has issued an important security update to address these vulnerabilities.
Affected software
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
Two security vulnerabilities were identified in the python-kdcproxy component of Red Hat Identity Management (IdM). CVE-2025-59088 is an unauthenticated SSRF vulnerability that can be triggered via realm-controlled DNS SRV records. CVE-2025-59089 is a remote Denial of Service vulnerability caused by unbounded TCP upstream buffering. Red Hat has released an update for the idm:DL1 module in Red Hat Enterprise Linux 8.6 to fix these issues. The advisory classifies the update as important and references Red Hat's official errata RHSA-2025:21819 for remediation details.
Potential Impact
The SSRF vulnerability (CVE-2025-59088) allows unauthenticated attackers to cause the system to make unintended network requests, potentially exposing internal services or data. The remote DoS vulnerability (CVE-2025-59089) can cause service disruption by exhausting resources through unbounded TCP buffering. Both vulnerabilities impact the availability and security of Red Hat IdM deployments on affected versions of Red Hat Enterprise Linux 8.6.
Mitigation Recommendations
Red Hat has released an official security update for the idm:DL1 module in Red Hat Enterprise Linux 8.6 that addresses these vulnerabilities. Users should apply this update promptly following Red Hat's guidance at https://access.redhat.com/articles/11258. No additional mitigation steps are indicated by the vendor advisory. Patch status is confirmed by the vendor advisory.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2025:21819
- Cve Count
- 2
- Additional Cves
- ["CVE-2025-59089"]
Threat ID: 6a419cab27e9c79719ab8fac
Added to database: 06/28/2026, 22:14:03 UTC
Last enriched: 06/28/2026, 22:19:51 UTC
Last updated: 09/10/2026, 19:36:51 UTC
Views: 26
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