UBUNTU-CVE-2026-27820

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Source
https://ubuntu.com/security/CVE-2026-27820
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-27820.json
JSON Data
https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2026-27820
Upstream
Published
2026-04-17T00:00:00Z
Modified
2026-04-22T20:31:56.581244Z
Severity
  • Ubuntu - medium
Summary
[none]
Details

(zlib is a Ruby interface for the zlib compression/decompression librar ...)

References

Affected packages

Ubuntu:16.04:LTS
jruby

Package

Name
jruby
Purl
pkg:deb/ubuntu/jruby@1.7.22-1ubuntu1?arch=source&distro=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_name": "jruby",
            "binary_version": "1.7.22-1ubuntu1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-27820.json"
Ubuntu:18.04:LTS
jruby

Package

Name
jruby
Purl
pkg:deb/ubuntu/jruby@9.1.17.0-1~18.04?arch=source&distro=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_name": "jruby",
            "binary_version": "9.1.17.0-1~18.04"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-27820.json"
Ubuntu:20.04:LTS
jruby

Package

Name
jruby
Purl
pkg:deb/ubuntu/jruby@9.1.17.0-3build6?arch=source&distro=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_name": "jruby",
            "binary_version": "9.1.17.0-3build6"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-27820.json"
Ubuntu:22.04:LTS
ruby3.0

Package

Name
ruby3.0
Purl
pkg:deb/ubuntu/ruby3.0@3.0.2-7ubuntu2.12?arch=source&distro=jammy

Affected ranges

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

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
3.0.2-7ubuntu2.10
3.0.2-7ubuntu2.11
3.0.2-7ubuntu2.12

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libruby3.0",
            "binary_version": "3.0.2-7ubuntu2.12"
        },
        {
            "binary_name": "ruby3.0",
            "binary_version": "3.0.2-7ubuntu2.12"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-27820.json"
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_name": "jruby",
            "binary_version": "9.4.6.0+ds-1ubuntu3"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-27820.json"
ruby3.2

Package

Name
ruby3.2
Purl
pkg:deb/ubuntu/ruby3.2@3.2.3-1ubuntu0.24.04.7?arch=source&distro=noble

Affected ranges

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

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
3.2.3-1ubuntu0.24.04.5
3.2.3-1ubuntu0.24.04.6
3.2.3-1ubuntu0.24.04.7

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libruby3.2",
            "binary_version": "3.2.3-1ubuntu0.24.04.7"
        },
        {
            "binary_name": "ruby3.2",
            "binary_version": "3.2.3-1ubuntu0.24.04.7"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-27820.json"
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_name": "jruby",
            "binary_version": "9.4.8.0+ds-3ubuntu1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-27820.json"
ruby3.3

Package

Name
ruby3.3
Purl
pkg:deb/ubuntu/ruby3.3@3.3.8-2ubuntu2.1?arch=source&distro=questing

Affected ranges

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

Affected versions

3.*
3.3.7-1ubuntu2
3.3.8-2ubuntu1
3.3.8-2ubuntu2
3.3.8-2ubuntu2.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libruby3.3",
            "binary_version": "3.3.8-2ubuntu2.1"
        },
        {
            "binary_name": "ruby3.3",
            "binary_version": "3.3.8-2ubuntu2.1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-27820.json"
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_name": "jruby",
            "binary_version": "1.5.6-9+deb8u2build0.14.04.1~esm2"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-27820.json"
Ubuntu:Pro:16.04:LTS
ruby2.3

Package

Name
ruby2.3
Purl
pkg:deb/ubuntu/ruby2.3@2.3.1-2~ubuntu16.04.16+esm12?arch=source&distro=esm-infra/xenial

Affected ranges

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

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
2.3.1-2~ubuntu16.04.16+esm10
2.3.1-2~ubuntu16.04.16+esm11
2.3.1-2~ubuntu16.04.16+esm12

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libruby2.3",
            "binary_version": "2.3.1-2~ubuntu16.04.16+esm12"
        },
        {
            "binary_name": "ruby2.3",
            "binary_version": "2.3.1-2~ubuntu16.04.16+esm12"
        },
        {
            "binary_name": "ruby2.3-tcltk",
            "binary_version": "2.3.1-2~ubuntu16.04.16+esm12"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-27820.json"
Ubuntu:Pro:18.04:LTS
ruby2.5

Package

Name
ruby2.5
Purl
pkg:deb/ubuntu/ruby2.5@2.5.1-1ubuntu1.16+esm7?arch=source&distro=esm-infra/bionic

Affected ranges

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

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
2.5.1-1ubuntu1.16+esm4
2.5.1-1ubuntu1.16+esm5
2.5.1-1ubuntu1.16+esm6
2.5.1-1ubuntu1.16+esm7

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libruby2.5",
            "binary_version": "2.5.1-1ubuntu1.16+esm7"
        },
        {
            "binary_name": "ruby2.5",
            "binary_version": "2.5.1-1ubuntu1.16+esm7"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-27820.json"
Ubuntu:Pro:20.04:LTS
ruby2.7

Package

Name
ruby2.7
Purl
pkg:deb/ubuntu/ruby2.7@2.7.0-5ubuntu1.18+esm4?arch=source&distro=esm-infra/focal

Affected ranges

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

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
2.7.0-5ubuntu1.18
2.7.0-5ubuntu1.18+esm1
2.7.0-5ubuntu1.18+esm3
2.7.0-5ubuntu1.18+esm4

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libruby2.7",
            "binary_version": "2.7.0-5ubuntu1.18+esm4"
        },
        {
            "binary_name": "ruby2.7",
            "binary_version": "2.7.0-5ubuntu1.18+esm4"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-27820.json"