Red Hat Issues Critical IdM Update for RHEL 8.4 Support Streams
Tech GuruQuick Answer
The Critical IdM erratum addresses eight vulnerabilities involving authentication, trust relationships, directory authorization, web input and resource exhaustion. Match installed packages and support entitlements to the errata, apply the supported fixes, validate service operation, and retain evidence.
Confirm Scope And Apply The Supported Remediation
What to do now: Inventory IdM client and server roles, module streams, replicas, AD trusts, Kerberos dependencies and enabled RHEL 8.4 support channels. Match product, architecture, package epoch/version/release and support stream to the individual erratum; apply each CVE only where its documented prerequisites hold. Apply the complete RHSA-2026:93452 module package set for the deployed role and stream through Red Hat repositories; follow supported IdM upgrade sequencing. Validate replication, Kerberos authentication, trust operations, enrollment and directory access controls; preserve package, topology and authentication evidence.
Last verified: 2026-11-02 UTC. Recheck the authoritative advisory and supported distribution channel before changing production.
Scope And Authority
| Product scope | IdM modules on RHEL 8.4 AppStream AUS and EUS Extension |
|---|---|
| Advisory | RHSA-2026:93452 |
| CVEs | CVE-2026-11861, CVE-2026-13097, CVE-2026-18147, CVE-2026-19550, CVE-2026-73197, CVE-2026-73198, CVE-2026-76578, CVE-2026-79678 |
| Authoritative release date | 2026-11-02T03:27:42Z (latest release in this group; individual release dates below) |
| Authority revision date | 2026-11-02T03:28:54Z (latest authority revision in this group) |
| Affected versions | Advisory-listed packages before the corresponding fixed builds on Red Hat Enterprise Linux AppStream AUS (v.8.4); Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4). |
| Fixed version | bind-dyndb-ldap-0:11.6-2.module+el8.4.0+21736+855b82c8.1.src::idm:DL1; custodia-0:0.6.0-3.module+el8.1.0+4098+f286395e.src::idm:DL1; ipa-0:4.9.2-10.module+el8.4.0+25230+139d38e7.6.src::idm:DL1; ipa-0:4.9.2-10.module+el8.4.0+25231+beff12c5.6.src::idm:client; ipa-healthcheck-0:0.7-3.module+el8.4.0+9007+5084bdd8.src::idm:DL1; ipa-healthcheck-0:0.7-3.module+el8.4.0+9008+94c5103b.src::idm:client; opendnssec-0:2.1.7-1.module+el8.4.0+9007+5084bdd8.src::idm:DL1; python-jwcrypto-0:0.5.0-1.module+el8.1.0+4098+f286395e.src::idm:DL1; python-jwcrypto-0:0.5.0-1.module+el8.1.0+4107+4a66eb87.src::idm:client; python-kdcproxy-0:0.4-5.module+el8.4.0+25050+823e00a8.1.src::idm:DL1; python-qrcode-0:5.1-12.module+el8.1.0+4098+f286395e.src::idm:DL1; python-qrcode-0:5.1-12.module+el8.1.0+4107+4a66eb87.src::idm:client; python-yubico-0:1.3.2-9.module+el8.1.0+4098+f286395e.src::idm:DL1; python-yubico-0:1.3.2-9.module+el8.1.0+4107+4a66eb87.src::idm:client; pyusb-0:1.0.0-9.module+el8.1.0+4098+f286395e.src::idm:DL1; pyusb-0:1.0.0-9.module+el8.1.0+4107+4a66eb87.src::idm:client; slapi-nis-0:0.56.6-2.1.module+el8.4.0+12579+0538eac8.src::idm:DL1; softhsm-0:2.6.0-5.module+el8.4.0+10227+076cd560.src::idm:DL1 |
| CVSS base score | 7.5-9.8 (CVSS v3.1; CVE-specific) |
| CVSS severity | High to Critical |
| Exploitation status | The cited Red Hat advisories do not state that these issues are being maliciously exploited.; no exploitation claim is inferred. |
Authority-Specific Scope And Version Evidence
| RHSA-2026:93452 | Released 2026-11-02T03:27:42Z; revised 2026-11-02T03:28:54Z. Red Hat Enterprise Linux AppStream AUS (v.8.4), Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4). Fixed source package families: bind-dyndb-ldap-0:11.6-2.module+el8.4.0+21736+855b82c8.1.src::idm:DL1; custodia-0:0.6.0-3.module+el8.1.0+4098+f286395e.src::idm:DL1; ipa-0:4.9.2-10.module+el8.4.0+25230+139d38e7.6.src::idm:DL1; ipa-0:4.9.2-10.module+el8.4.0+25231+beff12c5.6.src::idm:client; ipa-healthcheck-0:0.7-3.module+el8.4.0+9007+5084bdd8.src::idm:DL1; ipa-healthcheck-0:0.7-3.module+el8.4.0+9008+94c5103b.src::idm:client; opendnssec-0:2.1.7-1.module+el8.4.0+9007+5084bdd8.src::idm:DL1; python-jwcrypto-0:0.5.0-1.module+el8.1.0+4098+f286395e.src::idm:DL1; python-jwcrypto-0:0.5.0-1.module+el8.1.0+4107+4a66eb87.src::idm:client; python-kdcproxy-0:0.4-5.module+el8.4.0+25050+823e00a8.1.src::idm:DL1; python-qrcode-0:5.1-12.module+el8.1.0+4098+f286395e.src::idm:DL1; python-qrcode-0:5.1-12.module+el8.1.0+4107+4a66eb87.src::idm:client; python-yubico-0:1.3.2-9.module+el8.1.0+4098+f286395e.src::idm:DL1; python-yubico-0:1.3.2-9.module+el8.1.0+4107+4a66eb87.src::idm:client; pyusb-0:1.0.0-9.module+el8.1.0+4098+f286395e.src::idm:DL1; pyusb-0:1.0.0-9.module+el8.1.0+4107+4a66eb87.src::idm:client; slapi-nis-0:0.56.6-2.1.module+el8.4.0+12579+0538eac8.src::idm:DL1; softhsm-0:2.6.0-5.module+el8.4.0+10227+076cd560.src::idm:DL1. CVSS: 7.5-9.8 (CVSS v3.1; CVE-specific); High to Critical. Vendor rating: Critical. |
|---|
What Changed
The Critical IdM erratum addresses eight vulnerabilities involving authentication, trust relationships, directory authorization, web input and resource exhaustion.
What To Validate Now
- Inventory. Inventory IdM client and server roles, module streams, replicas, AD trusts, Kerberos dependencies and enabled RHEL 8.4 support channels.
- Establish applicability. Match product, architecture, package epoch/version/release and support stream to the individual erratum; apply each CVE only where its documented prerequisites hold.
- Remediate. Apply the complete RHSA-2026:93452 module package set for the deployed role and stream through Red Hat repositories; follow supported IdM upgrade sequencing.
- Validate. Validate replication, Kerberos authentication, trust operations, enrollment and directory access controls; preserve package, topology and authentication evidence.
- Retain evidence. Preserve asset and owner identifiers, the applicability decision, before-and-after versions, change approval, installation output, validation results, and any exception or rollback record.
Operational Cautions
Do not change module streams or infer that a client-only host has every server-side exposure. Coordinate identity-service changes to preserve administrative access. CVSS values are the authority-provided per-CVE scores, not a score for the whole update. Retain the advisory, inventory, approval, package and validation records.
Evidence To Retain
- Exact product, release stream, package or application version, enabled feature, environment, and accountable owner.
- UTC timestamps, authority revision, approved change record, installer or package-manager output, and resulting version.
- Relevant logs and monitoring evidence, test results, exceptions, compensating controls, and rollback decisions.
Related TechGeeks Resources
Authoritative References
Correction policy: If the authority changes affected versions, fixed versions, severity, exploitation information, mitigations, or required action, TechGeeks will update this notice and its verification date.
