Linux · Red Hat · Security advisory · June 2, 2026

RHSA-2026:46395: go-fdo-server security update

RHSA-2026:46395, released June 2, 2026, fixes 2 CVEs in go-fdo-server (version 1.0.1-2.el10_2.3). None of them is reported as exploited. Patch Radar priority: Urgent.

Urgent
CVEs closed
2
1 rated Critical
Exploited
0
None reported
Highest CVSS
10.0
Base score, 0 to 10
Highest EPSS
0.0183
79th percentile

Priority of the 2 CVEs

Patch now 0 Urgent 1 High 1 Routine 0

Fixed package versions

ProductReleaseFixed in
go-fdo-serverRHEL 101.0.1-2.el10_2.3

CVEs this fix closes

PriorityCVETitleCVSSEPSSExploitation
Urgent CVE-2026-39821 Invoking failure to reject ASCII-only Punycode-encoded labels in golang.org/x/net/idna10.0 0.0183 None reported
High CVE-2026-27145 Inefficient candidate hostname parsing in crypto/x5098.2 0.0059 None reported
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