USN-5355-1

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Source
https://ubuntu.com/security/notices/USN-5355-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5355-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-5355-1
Upstream
Related
Published
2022-03-30T14:24:46.541912Z
Modified
2025-10-13T04:35:51Z
Summary
zlib vulnerability
Details

Danilo Ramos discovered that zlib incorrectly handled memory when performing certain deflating operations. An attacker could use this issue to cause zlib to crash, resulting in a denial of service, or possibly execute arbitrary code.

References

Affected packages

Ubuntu:18.04:LTS / zlib

Package

Name
zlib
Purl
pkg:deb/ubuntu/zlib@1:1.2.11.dfsg-0ubuntu2.1?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:1.2.11.dfsg-0ubuntu2.1

Affected versions

1:1.*

1:1.2.11.dfsg-0ubuntu2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "lib32z1",
            "binary_version": "1:1.2.11.dfsg-0ubuntu2.1"
        },
        {
            "binary_name": "lib32z1-dev",
            "binary_version": "1:1.2.11.dfsg-0ubuntu2.1"
        },
        {
            "binary_name": "lib64z1",
            "binary_version": "1:1.2.11.dfsg-0ubuntu2.1"
        },
        {
            "binary_name": "lib64z1-dev",
            "binary_version": "1:1.2.11.dfsg-0ubuntu2.1"
        },
        {
            "binary_name": "libx32z1",
            "binary_version": "1:1.2.11.dfsg-0ubuntu2.1"
        },
        {
            "binary_name": "libx32z1-dev",
            "binary_version": "1:1.2.11.dfsg-0ubuntu2.1"
        },
        {
            "binary_name": "zlib1g",
            "binary_version": "1:1.2.11.dfsg-0ubuntu2.1"
        },
        {
            "binary_name": "zlib1g-dev",
            "binary_version": "1:1.2.11.dfsg-0ubuntu2.1"
        }
    ],
    "availability": "No subscription required"
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5355-1.json"

cves_map

{
    "ecosystem": "Ubuntu:18.04:LTS",
    "cves": [
        {
            "id": "CVE-2018-25032",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
                },
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ]
}

Ubuntu:20.04:LTS / zlib

Package

Name
zlib
Purl
pkg:deb/ubuntu/zlib@1:1.2.11.dfsg-2ubuntu1.3?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:1.2.11.dfsg-2ubuntu1.3

Affected versions

1:1.*

1:1.2.11.dfsg-1ubuntu3
1:1.2.11.dfsg-2ubuntu1
1:1.2.11.dfsg-2ubuntu1.1
1:1.2.11.dfsg-2ubuntu1.2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "lib32z1",
            "binary_version": "1:1.2.11.dfsg-2ubuntu1.3"
        },
        {
            "binary_name": "lib32z1-dev",
            "binary_version": "1:1.2.11.dfsg-2ubuntu1.3"
        },
        {
            "binary_name": "lib64z1",
            "binary_version": "1:1.2.11.dfsg-2ubuntu1.3"
        },
        {
            "binary_name": "lib64z1-dev",
            "binary_version": "1:1.2.11.dfsg-2ubuntu1.3"
        },
        {
            "binary_name": "libx32z1",
            "binary_version": "1:1.2.11.dfsg-2ubuntu1.3"
        },
        {
            "binary_name": "libx32z1-dev",
            "binary_version": "1:1.2.11.dfsg-2ubuntu1.3"
        },
        {
            "binary_name": "zlib1g",
            "binary_version": "1:1.2.11.dfsg-2ubuntu1.3"
        },
        {
            "binary_name": "zlib1g-dev",
            "binary_version": "1:1.2.11.dfsg-2ubuntu1.3"
        }
    ],
    "availability": "No subscription required"
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5355-1.json"

cves_map

{
    "ecosystem": "Ubuntu:20.04:LTS",
    "cves": [
        {
            "id": "CVE-2018-25032",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
                },
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ]
}