[DRE-maint] Bug#1099546: ruby-rack: CVE-2025-27111

[Salvatore Bonaccorso]

Source: ruby-rack
Version: 3.0.8-4
Severity: important
Tags: security upstream
X-Debbugs-Cc: carnil at debian.org, Debian Security Team <team at 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-8cgq-6mh2-7j6v

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore