Linux · 
Red Hat · Security advisory · May 22, 2026
Red Hat · Security advisory · May 22, 2026RHSA-2026:59546: ignition security update
RHSA-2026:59546, released May 22, 2026, fixes 2 CVEs in ignition (version 2.21.0-2.el10_0.3). 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
| Product | Release | Fixed in |
|---|---|---|
| ignition | RHEL 10 | 2.21.0-2.el10_0.3 |
CVEs this fix closes
| Priority | CVE | Title | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|
| Urgent | CVE-2026-39821 | Invoking failure to reject ASCII-only Punycode-encoded labels in golang.org/x/net/idna | 10.0 | 0.0183 | None reported |
| High | CVE-2026-33810 | Case-sensitive excludedSubtrees name constraints cause Auth Bypass in crypto/x509 | 9.1 | 0.0035 | None reported |
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