USN-7256-2

See a problem?
Please try reporting it to the source first.

Source

https://ubuntu.com/security/notices/USN-7256-2

Import Source

https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7256-2.json

JSON Data

https://api.osv.dev/v1/vulns/USN-7256-2

Published

2025-02-13T02:49:16Z

Modified

2026-04-22T10:55:04.605848Z

Summary

ruby2.7 regression

Details

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.

References

Affected packages

Ubuntu:20.04:LTS / ruby2.7

Package

Name: ruby2.7
Purl: pkg:deb/ubuntu/ruby2.7@2.7.0-5ubuntu1.17?arch=source&distro=focal

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

2.7.0-5ubuntu1.17

Affected versions

2.*

2.7.0-1

2.7.0-2

2.7.0-3

2.7.0-4

2.7.0-4ubuntu1

2.7.0-5ubuntu1

2.7.0-5ubuntu1.1

2.7.0-5ubuntu1.2

2.7.0-5ubuntu1.3

2.7.0-5ubuntu1.4

2.7.0-5ubuntu1.5

2.7.0-5ubuntu1.6

2.7.0-5ubuntu1.7

2.7.0-5ubuntu1.8

2.7.0-5ubuntu1.9

2.7.0-5ubuntu1.10

2.7.0-5ubuntu1.11

2.7.0-5ubuntu1.12

2.7.0-5ubuntu1.13

2.7.0-5ubuntu1.14

2.7.0-5ubuntu1.15

2.7.0-5ubuntu1.16

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "libruby2.7",
            "binary_version": "2.7.0-5ubuntu1.17"
        },
        {
            "binary_name": "ruby2.7",
            "binary_version": "2.7.0-5ubuntu1.17"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7256-2.json"

cves_map

{
    "cves": [],
    "ecosystem": "Ubuntu:20.04:LTS"
}