USN-7366-2: Rack vulnerabilities
Publication date
23 July 2025
Overview
Several security issues were fixed in Rack.
Releases
Packages
- ruby-rack - modular Ruby webserver interface
Details
USN-7366-1 fixed vulnerabilities in Rack. This update provides the
corresponding updates for Ubuntu 25.04.
Original advisory details:
Nhật Thái Đỗ discovered that Rack incorrectly handled certain usernames. A
remote attacker could possibly use this issue to perform CRLF injection.
(CVE-2025-25184)
Phạm Quang Minh discovered that Rack incorrectly handled certain headers. A
remote attacker could possibly use this issue to perform log injection.
(CVE-2025-27111)
Phạm Quang Minh discovered that Rack did not properly handle relative file
paths. A remote attacker could potentially exploit this to include local
files that should have been inaccessible. (CVE-2025-27610)
USN-7366-1 fixed vulnerabilities in Rack. This update provides the
corresponding updates for Ubuntu 25.04.
Original advisory details:
Nhật Thái Đỗ discovered that Rack incorrectly handled certain usernames. A
remote attacker could possibly use this issue to perform CRLF injection.
(CVE-2025-25184)
Phạm Quang Minh discovered that Rack incorrectly handled certain headers. A
remote attacker could possibly use this issue to perform log injection.
(CVE-2025-27111)
Phạm Quang Minh discovered that Rack did not properly handle relative file
paths. A remote attacker could potentially exploit this to include local
files that should have been inaccessible. (CVE-2025-27610)
Update instructions
In general, a standard system update will make all the necessary changes.
Learn more about how to get the fixes.The problem can be corrected by updating your system to the following package versions:
| Ubuntu Release | Package Version | ||
|---|---|---|---|
| 25.04 plucky | ruby-rack – 2.2.7-1.1ubuntu0.25.04.2 | ||
Reduce your security exposure
Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.