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Phusion Passenger gem before 3.0.21 and 4.0.x before 4.0.5 for Ruby allows local users to cause a denial of service (prevent application start) or gain privileges by pre-creating a temporary "config" file in a directory with a predictable name in /tmp/ before it is used by the gem.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Freebsd | — | Upgrade rubygem-passenger | Dec 10, 2025 | Jun 1, 2013 |
| Redhat Openshift | — | Upgrade rubygem-passengerUpgrade ruby193-rubygem-passenger | Oct 8, 2019 | Jan 3, 2014 |
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