Linux · 
Ubuntu · Package update · April 30, 2026
Ubuntu · Package update · April 30, 2026ruby-rack 1.6.4-4ubuntu0.2+esm10: ruby-rack 1.6.4-4ubuntu0.2+esm10 for Ubuntu 18.04.6 LTS (bionic)
ruby-rack 1.6.4-4ubuntu0.2+esm10, released April 30, 2026, fixes 6 CVEs in ruby-rack. None of them is reported as exploited. Patch Radar priority: High. The product is no longer supported.
HighUnsupported product
CVEs closed
6
None rated Critical
Exploited
0
None reported
Highest CVSS
7.5
Base score, 0 to 10
Highest EPSS
0.0045
39th percentile
Priority of the 6 CVEs
Patch now 0
Urgent 0
High 4
Routine 2
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| ruby-rack | Ubuntu 18.04.6 LTS (bionic) | 1.6.4-4ubuntu0.2+esm10 |
CVEs this fix closes
| Priority | CVE | Title | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|
| High | CVE-2026-34230 | ruby-rack: Rack is a modular Ruby web server interface | 7.5 | 0.0045 | None reported |
| High | CVE-2026-34826 | ruby-rack: Rack is a modular Ruby web server interface | 7.5 | 0.0040 | None reported |
| High | CVE-2026-34785 | ruby-rack: Rack is a modular Ruby web server interface | 7.5 | 0.0039 | None reported |
| High | CVE-2026-34830 | ruby-rack: Rack is a modular Ruby web server interface | 7.5 | 0.0024 | None reported |
| Routine | CVE-2026-34763 | ruby-rack: Rack is a modular Ruby web server interface | 5.3 | 0.0025 | None reported |
| Routine | CVE-2026-34786 | ruby-rack: Rack is a modular Ruby web server interface | 5.3 | 0.0020 | None reported |
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