USN-6055-1

Source
https://ubuntu.com/security/notices/USN-6055-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/USN-6055-1.json
Related
Published
2023-05-04T08:10:22.354964Z
Modified
2023-05-04T08:10:22.354964Z
Summary
ruby2.3, ruby2.5, ruby2.7 vulnerabilities
Details

It was discovered that Ruby incorrectly handled certain regular expressions. An attacker could possibly use this issue to cause a denial of service. (CVE-2023-28755)

It was discovered that Ruby incorrectly handled certain regular expressions. An attacker could possibly use this issue to cause a denial of service. This issue is being addressed only for Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2023-28756)

References

Affected packages

Ubuntu:20.04:LTS / ruby2.7

Package

Name
ruby2.7

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0The exact introduced commit is unknown
Fixed
2.7.0-5ubuntu1.9

Ecosystem specific 

{
    "availability": "No subscription needed",
    "binaries": [
        {
            "ruby2.7-doc": "2.7.0-5ubuntu1.9",
            "ruby2.7": "2.7.0-5ubuntu1.9",
            "libruby2.7": "2.7.0-5ubuntu1.9",
            "ruby2.7-dev": "2.7.0-5ubuntu1.9"
        }
    ]
}

Ubuntu:18.04:LTS / ruby2.5

Package

Name
ruby2.5

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0The exact introduced commit is unknown
Fixed
2.5.1-1ubuntu1.14

Ecosystem specific 

{
    "availability": "No subscription needed",
    "binaries": [
        {
            "ruby2.5": "2.5.1-1ubuntu1.14",
            "libruby2.5": "2.5.1-1ubuntu1.14",
            "ruby2.5-dev": "2.5.1-1ubuntu1.14",
            "ruby2.5-doc": "2.5.1-1ubuntu1.14"
        }
    ]
}

Ubuntu:Pro:16.04:LTS / ruby2.3

Package

Name
ruby2.3

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0The exact introduced commit is unknown
Fixed
2.3.1-2~ubuntu16.04.16+esm5

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
    "binaries": [
        {
            "ruby2.3-doc": "2.3.1-2~ubuntu16.04.16+esm5",
            "ruby2.3-dev": "2.3.1-2~ubuntu16.04.16+esm5",
            "ruby2.3-tcltk": "2.3.1-2~ubuntu16.04.16+esm5",
            "libruby2.3": "2.3.1-2~ubuntu16.04.16+esm5",
            "ruby2.3": "2.3.1-2~ubuntu16.04.16+esm5"
        }
    ]
}