USN-7256-2
ruby2.7 regression
USN-7256-1 fixed vulnerabilities in Ruby. The update introduced a minor regression. This update fixes the problem.
We apologize for the inconvenience.
Original advisory details:
It was discovered that Ruby incorrectly handled parsing of an XML document that has specific XML characters in an attribute value using REXML gem. An attacker could use this issue to cause Ruby to crash, resulting in a denial of service.
What each source reports
OSV No score
ruby2.7 regression
USN-7256-1 fixed vulnerabilities in Ruby. The update introduced a minor regression. This update fixes the problem.
We apologize for the inconvenience.
Original advisory details:
It was discovered that Ruby incorrectly handled parsing of an XML document that has specific XML characters in an attribute value using REXML gem. An attacker could use this issue to cause Ruby to crash, resulting in a denial of service.
- Record
USN-7256-2- Updated
- 2026-11-02
Affected packages
| Package | Affected | Fixed |
|---|---|---|
ruby2.7Ubuntu:20.04:LTS |
before 2.7.0-5ubuntu1.17, plus listed versions 2.7.0-12.7.0-22.7.0-32.7.0-42.7.0-4ubuntu1 Show 17 moreShow less2.7.0-5ubuntu12.7.0-5ubuntu1.12.7.0-5ubuntu1.22.7.0-5ubuntu1.32.7.0-5ubuntu1.42.7.0-5ubuntu1.52.7.0-5ubuntu1.62.7.0-5ubuntu1.72.7.0-5ubuntu1.82.7.0-5ubuntu1.92.7.0-5ubuntu1.102.7.0-5ubuntu1.112.7.0-5ubuntu1.122.7.0-5ubuntu1.132.7.0-5ubuntu1.142.7.0-5ubuntu1.152.7.0-5ubuntu1.16 |
2.7.0-5ubuntu1.17 |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
USN-7256-2 is a vulnerability with no CVSS score yet in ruby2.7, published February 13, 2025. No source lists public exploit code. Fixed in ruby2.7 2.7.0-5ubuntu1.17.