Linux · Security advisory · June 2, 2026
RHSA-2026:51187: yggdrasil security update
RHSA-2026:51187, released June 2, 2026, fixes 3 CVEs in yggdrasil (version 0.4.7-5.el10_0). None of them is reported as exploited. Patch Radar priority: Urgent.
Urgent
CVEs closed
3
1 rated Critical
Exploited
0
None reported
Exploitation more likely
0
Vendor assessment
Highest EPSS
0.0183
79th percentile
Priority of the 3 CVEs
Patch now 0
Urgent 1
High 2
Routine 0
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| yggdrasil | RHEL 10 | 0.4.7-5.el10_0 |
CVEs this fix closes
| Priority | CVE | Title | Impact | 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-2026-33811 | Crash when handling long CNAME response in net | 8.8 | 0.0088 | None reported | |
| High | CVE-2026-27145 | Inefficient candidate hostname parsing in crypto/x509 | 8.2 | 0.0059 | None reported |
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