Certificate validation bypass due to improper handling of URI and SRV SANs
Summary
Certificate validation bypass due to improper handling of URI and SRV SANs. Red Hat rates this moderate (CVSS 7.1). Weakness: CWE-295. Affected package(s): rhui5/installer-rhel9:1781525693, libtasn1, gnutls, rhui5/cds-rhel9:1781525684, discovery/discovery-ui-rhel9:1782166952, discovery/discovery-server-rhel9:1782159791. Resolved in Red Hat advisory RHSA-2026:20613 — update the affected packages (`sudo dnf update`).
- rhui5/installer-rhel9:1781525693
- libtasn1-0:4.13-3.el8_6.2
- gnutls-0:3.6.16-7.el8_8.4
- gnutls-0:3.8.10-4.el10_2
- rhui5/cds-rhel9:1781525684
- libtasn1-0:4.13-4.el8_8.1
- discovery/discovery-ui-rhel9:1782166952
- discovery/discovery-server-rhel9:1782159791
- gnutls-0:3.8.3-6.el9_6.4
- gnutls-0:3.6.16-8.el8_10.6
- rhui5/rhua-rhel9:1781525739
- rhui5/haproxy-rhel9:1781525671
Official advisory · high-confidence parse· fetched 4 hours ago·verify at source
- RHSA-2026:20613
Official advisory · high-confidence parse· fetched 4 hours ago·verify at source
Mitigation checklist
- Update the affected package(s) to the fixed version shipped in RHSA-2026:20613 (`sudo dnf update` / `yum update`).
Official advisory · high-confidence parse· fetched 4 hours ago·verify at source
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