UBUNTU-CVE-2025-27220

See a problem?
Please try reporting it to the source first.
Source
https://ubuntu.com/security/CVE-2025-27220
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-27220.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2025-27220
Upstream
Downstream
Related
Published
2025-03-04T00:15:00Z
Modified
2025-10-10T15:26:15Z
Severity
  • 4.0 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:L CVSS Calculator
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

In the CGI gem before 0.4.2 for Ruby, a Regular Expression Denial of Service (ReDoS) vulnerability exists in the Util#escapeElement method.

References

Affected packages

Ubuntu:20.04:LTS

ruby2.7

Package

Name
ruby2.7
Purl
pkg:deb/ubuntu/ruby2.7@2.7.0-5ubuntu1.18?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.7.0-5ubuntu1.18

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
2.7.0-5ubuntu1.17

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "2.7.0-5ubuntu1.18",
            "binary_name": "libruby2.7"
        },
        {
            "binary_version": "2.7.0-5ubuntu1.18",
            "binary_name": "ruby2.7"
        },
        {
            "binary_version": "2.7.0-5ubuntu1.18",
            "binary_name": "ruby2.7-dev"
        }
    ],
    "availability": "No subscription required"
}

Ubuntu:22.04:LTS

ruby3.0

Package

Name
ruby3.0
Purl
pkg:deb/ubuntu/ruby3.0@3.0.2-7ubuntu2.10?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.0.2-7ubuntu2.10

Affected versions

3.*

3.0.2-5ubuntu1
3.0.2-7
3.0.2-7ubuntu2
3.0.2-7ubuntu2.1
3.0.2-7ubuntu2.2
3.0.2-7ubuntu2.3
3.0.2-7ubuntu2.4
3.0.2-7ubuntu2.5
3.0.2-7ubuntu2.6
3.0.2-7ubuntu2.7
3.0.2-7ubuntu2.8

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "3.0.2-7ubuntu2.10",
            "binary_name": "libruby3.0"
        },
        {
            "binary_version": "3.0.2-7ubuntu2.10",
            "binary_name": "ruby3.0"
        },
        {
            "binary_version": "3.0.2-7ubuntu2.10",
            "binary_name": "ruby3.0-dev"
        }
    ],
    "availability": "No subscription required"
}

Ubuntu:24.04:LTS

jruby

Package

Name
jruby
Purl
pkg:deb/ubuntu/jruby@9.4.6.0+ds-1ubuntu3?arch=source&distro=noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

9.*

9.3.9.0+ds-1
9.4.5.0+ds-1
9.4.5.0+ds-1ubuntu1
9.4.6.0+ds-1ubuntu3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "9.4.6.0+ds-1ubuntu3",
            "binary_name": "jruby"
        }
    ]
}

ruby3.2

Package

Name
ruby3.2
Purl
pkg:deb/ubuntu/ruby3.2@3.2.3-1ubuntu0.24.04.5?arch=source&distro=noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.2.3-1ubuntu0.24.04.5

Affected versions

3.*

3.2.3-1
3.2.3-1build2
3.2.3-1build3
3.2.3-1ubuntu0.24.04.1
3.2.3-1ubuntu0.24.04.3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "3.2.3-1ubuntu0.24.04.5",
            "binary_name": "libruby3.2"
        },
        {
            "binary_version": "3.2.3-1ubuntu0.24.04.5",
            "binary_name": "ruby3.2"
        },
        {
            "binary_version": "3.2.3-1ubuntu0.24.04.5",
            "binary_name": "ruby3.2-dev"
        }
    ],
    "availability": "No subscription required"
}

Ubuntu:25.04

jruby

Package

Name
jruby
Purl
pkg:deb/ubuntu/jruby@9.4.8.0+ds-2ubuntu1?arch=source&distro=plucky

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

9.*

9.4.8.0+ds-1ubuntu1
9.4.8.0+ds-2ubuntu1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "9.4.8.0+ds-2ubuntu1",
            "binary_name": "jruby"
        }
    ]
}

ruby3.3

Package

Name
ruby3.3
Purl
pkg:deb/ubuntu/ruby3.3@3.3.7-1ubuntu2?arch=source&distro=plucky

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.3.7-1ubuntu2

Affected versions

3.*

3.3.4-2ubuntu5
3.3.4-2ubuntu6
3.3.4-2ubuntu7
3.3.6-1.1ubuntu1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "3.3.7-1ubuntu2",
            "binary_name": "libruby3.3"
        },
        {
            "binary_version": "3.3.7-1ubuntu2",
            "binary_name": "ruby3.3"
        },
        {
            "binary_version": "3.3.7-1ubuntu2",
            "binary_name": "ruby3.3-dev"
        }
    ],
    "availability": "No subscription required"
}

Ubuntu:25.10

jruby

Package

Name
jruby
Purl
pkg:deb/ubuntu/jruby@9.4.8.0+ds-3ubuntu1?arch=source&distro=questing

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

9.*

9.4.8.0+ds-2ubuntu1
9.4.8.0+ds-3ubuntu1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "9.4.8.0+ds-3ubuntu1",
            "binary_name": "jruby"
        }
    ]
}

ruby3.3

Package

Name
ruby3.3
Purl
pkg:deb/ubuntu/ruby3.3@3.3.7-1ubuntu2?arch=source&distro=questing

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.3.7-1ubuntu2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "3.3.7-1ubuntu2",
            "binary_name": "libruby3.3"
        },
        {
            "binary_version": "3.3.7-1ubuntu2",
            "binary_name": "ruby3.3"
        },
        {
            "binary_version": "3.3.7-1ubuntu2",
            "binary_name": "ruby3.3-dev"
        }
    ],
    "availability": "No subscription required"
}

Ubuntu:Pro:14.04:LTS

jruby

Package

Name
jruby
Purl
pkg:deb/ubuntu/jruby@1.5.6-9+deb8u2build0.14.04.1~esm2?arch=source&distro=esm-infra-legacy/trusty

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1.*

1.5.6-5ubuntu1
1.5.6-6
1.5.6-7
1.5.6-9+deb8u2build0.14.04.1~esm2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1.5.6-9+deb8u2build0.14.04.1~esm2",
            "binary_name": "jruby"
        }
    ]
}

Ubuntu:Pro:16.04:LTS

ruby2.3

Package

Name
ruby2.3
Purl
pkg:deb/ubuntu/ruby2.3@2.3.1-2~ubuntu16.04.16+esm10?arch=source&distro=esm-infra/xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.3.1-2~ubuntu16.04.16+esm10

Affected versions

2.*

2.3.0-1
2.3.0-2
2.3.0-4ubuntu2
2.3.0-4ubuntu3
2.3.0-5ubuntu1
2.3.1-2~16.04
2.3.1-2~16.04.2
2.3.1-2~16.04.4
2.3.1-2~16.04.5
2.3.1-2~16.04.6
2.3.1-2~16.04.7
2.3.1-2~16.04.9
2.3.1-2~16.04.10
2.3.1-2~16.04.11
2.3.1-2~16.04.12
2.3.1-2~ubuntu16.04.13
2.3.1-2~ubuntu16.04.14
2.3.1-2~ubuntu16.04.15
2.3.1-2~ubuntu16.04.16
2.3.1-2~ubuntu16.04.16+esm1
2.3.1-2~ubuntu16.04.16+esm2
2.3.1-2~ubuntu16.04.16+esm3
2.3.1-2~ubuntu16.04.16+esm4
2.3.1-2~ubuntu16.04.16+esm5
2.3.1-2~ubuntu16.04.16+esm6
2.3.1-2~ubuntu16.04.16+esm7
2.3.1-2~ubuntu16.04.16+esm8
2.3.1-2~ubuntu16.04.16+esm9

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "2.3.1-2~ubuntu16.04.16+esm10",
            "binary_name": "libruby2.3"
        },
        {
            "binary_version": "2.3.1-2~ubuntu16.04.16+esm10",
            "binary_name": "ruby2.3"
        },
        {
            "binary_version": "2.3.1-2~ubuntu16.04.16+esm10",
            "binary_name": "ruby2.3-dev"
        },
        {
            "binary_version": "2.3.1-2~ubuntu16.04.16+esm10",
            "binary_name": "ruby2.3-tcltk"
        }
    ],
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
}

jruby

Package

Name
jruby
Purl
pkg:deb/ubuntu/jruby@1.7.22-1ubuntu1?arch=source&distro=esm-apps/xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1.*

1.7.21-2ubuntu4
1.7.22-1ubuntu1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1.7.22-1ubuntu1",
            "binary_name": "jruby"
        }
    ]
}

Ubuntu:Pro:18.04:LTS

ruby2.5

Package

Name
ruby2.5
Purl
pkg:deb/ubuntu/ruby2.5@2.5.1-1ubuntu1.16+esm4?arch=source&distro=esm-infra/bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.5.1-1ubuntu1.16+esm4

Affected versions

2.*

2.5.0~preview1-1ubuntu2
2.5.0-4ubuntu1
2.5.0-4ubuntu4
2.5.0-5ubuntu1
2.5.0-6ubuntu1
2.5.1-1ubuntu1
2.5.1-1ubuntu1.1
2.5.1-1ubuntu1.2
2.5.1-1ubuntu1.4
2.5.1-1ubuntu1.5
2.5.1-1ubuntu1.6
2.5.1-1ubuntu1.7
2.5.1-1ubuntu1.8
2.5.1-1ubuntu1.9
2.5.1-1ubuntu1.10
2.5.1-1ubuntu1.11
2.5.1-1ubuntu1.12
2.5.1-1ubuntu1.13
2.5.1-1ubuntu1.14
2.5.1-1ubuntu1.15
2.5.1-1ubuntu1.16
2.5.1-1ubuntu1.16+esm1
2.5.1-1ubuntu1.16+esm3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "2.5.1-1ubuntu1.16+esm4",
            "binary_name": "libruby2.5"
        },
        {
            "binary_version": "2.5.1-1ubuntu1.16+esm4",
            "binary_name": "ruby2.5"
        },
        {
            "binary_version": "2.5.1-1ubuntu1.16+esm4",
            "binary_name": "ruby2.5-dev"
        }
    ],
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
}

jruby

Package

Name
jruby
Purl
pkg:deb/ubuntu/jruby@9.1.17.0-1~18.04?arch=source&distro=esm-apps/bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

9.*

9.1.13.0-1
9.1.17.0-1~18.04

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "9.1.17.0-1~18.04",
            "binary_name": "jruby"
        }
    ]
}

Ubuntu:Pro:20.04:LTS

jruby

Package

Name
jruby
Purl
pkg:deb/ubuntu/jruby@9.1.17.0-3build6?arch=source&distro=esm-apps/focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

9.*

9.1.17.0-3
9.1.17.0-3build5
9.1.17.0-3build6

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "9.1.17.0-3build6",
            "binary_name": "jruby"
        }
    ]
}