Debian/ruby-sinatra: high 7.5
Sinatra is a domain-specific language for creating web applications in Ruby. In versions prior to 4.2.0, there is a denial of service vulnerability in the `If-Match` and `If-None-Match` header parsing
Action: Upgrade ruby-sinatra to 4.2.1-1 or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 4.2.1-1 | - |
Fixed versions
| 4.2.1-1 |
Sources
- osv: DEBIAN-CVE-2025-61921#Debian:14/ruby-sinatra
- https://security-tracker.debian.org/tracker/CVE-2025-61921
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