Source: ruby-rack
Version: 3.1.9-2
Severity: important
Tags: security upstream
X-Debbugs-Cc: carnil@debian.org, Debian Security Team <team@security.debian.org>

Hi,

The following vulnerability was published for ruby-rack.

CVE-2025-27111[0]:
| Rack is a modular Ruby web server interface. The Rack::Sendfile
| middleware logs unsanitised header values from the X-Sendfile-Type
| header. An attacker can exploit this by injecting escape sequences
| (such as newline characters) into the header, resulting in log
| injection. This vulnerability is fixed in 2.2.12, 3.0.13, and
| 3.1.11.


If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2025-27111
https://www.cve.org/CVERecord?id=CVE-2025-27111
[1] https://github.com/rack/rack/security/advisories/GHSA-7wqh-767x-r66v

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore

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