Linux · 
Red Hat · Security advisory · June 24, 2026
Red Hat · Security advisory · June 24, 2026RHSA-2026:21756: Security update for 5 packages
RHSA-2026:21756, released June 24, 2026, fixes 2 CVEs across 5 products. None of them is reported as exploited. Patch Radar priority: High.
High
CVEs closed
2
None rated Critical
Exploited
0
None reported
Highest CVSS
10.0
Base score, 0 to 10
Highest EPSS
0.0171
77th percentile
Priority of the 2 CVEs
Patch now 0
Urgent 0
High 2
Routine 0
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| flatpak | RHEL 8 | 0:1.12.9-4.el8_10 |
| flatpak-devel | RHEL 8 | 0:1.12.9-4.el8_10 |
| flatpak-libs | RHEL 8 | 0:1.12.9-4.el8_10 |
| flatpak-selinux | RHEL 8 | 0:1.12.9-4.el8_10 |
| flatpak-session-helper | RHEL 8 | 0:1.12.9-4.el8_10 |
CVEs this fix closes
| Priority | CVE | Title | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|
| High | CVE-2026-34078 | flatpak: Flatpak is a Linux application sandboxing and distribution framework | 10.0 | 0.0171 | None reported |
| High | CVE-2026-34079 | flatpak: Flatpak is a Linux application sandboxing and distribution framework | 9.0 | 0.0033 | None reported |
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