USN-8453-1

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Source
https://ubuntu.com/security/notices/USN-8453-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8453-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-8453-1
Upstream
Related
Published
2026-06-18T16:15:55Z
Modified
2026-06-18T22:14:13.099306947Z
Summary
libnet-cidr-lite-perl vulnerabilities
Details

It was discovered that Net::CIDR::Lite incorrectly validated IP address and CIDR mask inputs. An attacker could possibly use this issue to bypass IP access control lists. (CVE-2026-45190)

It was discovered that Net::CIDR::Lite incorrectly handled extraneous zero characters in CIDR mask values. An attacker could possibly use this issue to bypass IP access control lists. (CVE-2026-45191)

References

Affected packages

Ubuntu:22.04:LTS
libnet-cidr-lite-perl

Package

Name
libnet-cidr-lite-perl
Purl
pkg:deb/ubuntu/libnet-cidr-lite-perl?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.22-1ubuntu0.2

Affected versions

0.*
0.22-1
0.22-1ubuntu0.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libnet-cidr-lite-perl",
            "binary_version": "0.22-1ubuntu0.2"
        }
    ],
    "availability": "No subscription required"
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8453-1.json"
cves_map 
{
    "ecosystem": "Ubuntu:22.04:LTS",
    "cves": [
        {
            "id": "CVE-2026-45190",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        },
        {
            "id": "CVE-2026-45191",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ]
}
Ubuntu:24.04:LTS
libnet-cidr-lite-perl

Package

Name
libnet-cidr-lite-perl
Purl
pkg:deb/ubuntu/libnet-cidr-lite-perl?arch=source&distro=noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.22-2ubuntu0.24.04.2

Affected versions

0.*
0.22-2
0.22-2ubuntu0.24.04.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libnet-cidr-lite-perl",
            "binary_version": "0.22-2ubuntu0.24.04.2"
        }
    ],
    "availability": "No subscription required"
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8453-1.json"
cves_map 
{
    "ecosystem": "Ubuntu:24.04:LTS",
    "cves": [
        {
            "id": "CVE-2026-45190",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        },
        {
            "id": "CVE-2026-45191",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ]
}
Ubuntu:25.10
libnet-cidr-lite-perl

Package

Name
libnet-cidr-lite-perl
Purl
pkg:deb/ubuntu/libnet-cidr-lite-perl?arch=source&distro=questing

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.22-2ubuntu0.25.10.2

Affected versions

0.*
0.22-2
0.22-2ubuntu0.25.10.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libnet-cidr-lite-perl",
            "binary_version": "0.22-2ubuntu0.25.10.2"
        }
    ],
    "availability": "No subscription required"
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8453-1.json"
cves_map 
{
    "ecosystem": "Ubuntu:25.10",
    "cves": [
        {
            "id": "CVE-2026-45190",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        },
        {
            "id": "CVE-2026-45191",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ]
}
Ubuntu:26.04:LTS
libnet-cidr-lite-perl

Package

Name
libnet-cidr-lite-perl
Purl
pkg:deb/ubuntu/libnet-cidr-lite-perl?arch=source&distro=resolute

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.22-2ubuntu0.26.04.2

Affected versions

0.*
0.22-2
0.22-2ubuntu0.26.04.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libnet-cidr-lite-perl",
            "binary_version": "0.22-2ubuntu0.26.04.2"
        }
    ],
    "availability": "No subscription required"
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8453-1.json"
cves_map 
{
    "ecosystem": "Ubuntu:26.04:LTS",
    "cves": [
        {
            "id": "CVE-2026-45190",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        },
        {
            "id": "CVE-2026-45191",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ]
}
Ubuntu:Pro:16.04:LTS
libnet-cidr-lite-perl

Package

Name
libnet-cidr-lite-perl
Purl
pkg:deb/ubuntu/libnet-cidr-lite-perl?arch=source&distro=esm-apps-legacy%2Fxenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.21-1ubuntu0.16.04.1~esm2

Affected versions

0.*
0.21-1
0.21-1ubuntu0.16.04.1~esm1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libnet-cidr-lite-perl",
            "binary_version": "0.21-1ubuntu0.16.04.1~esm2"
        }
    ],
    "availability": "Available with Ubuntu Pro with Legacy support add-on: https://ubuntu.com/pro"
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8453-1.json"
cves_map 
{
    "ecosystem": "Ubuntu:Pro:16.04:LTS",
    "cves": [
        {
            "id": "CVE-2026-45190",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        },
        {
            "id": "CVE-2026-45191",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ]
}
Ubuntu:Pro:18.04:LTS
libnet-cidr-lite-perl

Package

Name
libnet-cidr-lite-perl
Purl
pkg:deb/ubuntu/libnet-cidr-lite-perl?arch=source&distro=esm-infra%2Fbionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.21-1ubuntu0.18.04.1~esm2

Affected versions

0.*
0.21-1
0.21-1ubuntu0.18.04.1~esm1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libnet-cidr-lite-perl",
            "binary_version": "0.21-1ubuntu0.18.04.1~esm2"
        }
    ],
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8453-1.json"
cves_map 
{
    "ecosystem": "Ubuntu:Pro:18.04:LTS",
    "cves": [
        {
            "id": "CVE-2026-45190",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        },
        {
            "id": "CVE-2026-45191",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ]
}
Ubuntu:Pro:20.04:LTS
libnet-cidr-lite-perl

Package

Name
libnet-cidr-lite-perl
Purl
pkg:deb/ubuntu/libnet-cidr-lite-perl?arch=source&distro=esm-infra%2Ffocal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.21-2ubuntu0.1+esm2

Affected versions

0.*
0.21-2
0.21-2ubuntu0.1
0.21-2ubuntu0.1+esm1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libnet-cidr-lite-perl",
            "binary_version": "0.21-2ubuntu0.1+esm2"
        }
    ],
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8453-1.json"
cves_map 
{
    "ecosystem": "Ubuntu:Pro:20.04:LTS",
    "cves": [
        {
            "id": "CVE-2026-45190",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        },
        {
            "id": "CVE-2026-45191",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ]
}