USN-5570-1

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Source
https://ubuntu.com/security/notices/USN-5570-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5570-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-5570-1
Upstream
Related
Published
2022-08-17T22:44:40.342294Z
Modified
2025-09-08T16:37:28Z
Summary
zlib vulnerability
Details

Evgeny Legerov discovered that zlib incorrectly handled memory when performing certain inflate 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:Pro:14.04:LTS / zlib

Package

Name
zlib
Purl
pkg:deb/ubuntu/zlib@1:1.2.8.dfsg-1ubuntu1.1+esm2?arch=source&distro=trusty/esm

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:1.2.8.dfsg-1ubuntu1.1+esm2

Affected versions

1:1.*

1:1.2.8.dfsg-1ubuntu1
1:1.2.8.dfsg-1ubuntu1.1
1:1.2.8.dfsg-1ubuntu1.1+esm1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1:1.2.8.dfsg-1ubuntu1.1+esm2",
            "binary_name": "lib32z1"
        },
        {
            "binary_version": "1:1.2.8.dfsg-1ubuntu1.1+esm2",
            "binary_name": "lib32z1-dev"
        },
        {
            "binary_version": "1:1.2.8.dfsg-1ubuntu1.1+esm2",
            "binary_name": "lib64z1"
        },
        {
            "binary_version": "1:1.2.8.dfsg-1ubuntu1.1+esm2",
            "binary_name": "lib64z1-dev"
        },
        {
            "binary_version": "1:1.2.8.dfsg-1ubuntu1.1+esm2",
            "binary_name": "libx32z1"
        },
        {
            "binary_version": "1:1.2.8.dfsg-1ubuntu1.1+esm2",
            "binary_name": "libx32z1-dev"
        },
        {
            "binary_version": "1:1.2.8.dfsg-1ubuntu1.1+esm2",
            "binary_name": "zlib-bin"
        },
        {
            "binary_version": "1:1.2.8.dfsg-1ubuntu1.1+esm2",
            "binary_name": "zlib1g"
        },
        {
            "binary_version": "1:1.2.8.dfsg-1ubuntu1.1+esm2",
            "binary_name": "zlib1g-dev"
        }
    ],
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
}

Ubuntu:Pro:16.04:LTS / zlib

Package

Name
zlib
Purl
pkg:deb/ubuntu/zlib@1:1.2.8.dfsg-2ubuntu4.3+esm2?arch=source&distro=esm-infra/xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:1.2.8.dfsg-2ubuntu4.3+esm2

Affected versions

1:1.*

1:1.2.8.dfsg-2ubuntu4
1:1.2.8.dfsg-2ubuntu4.1
1:1.2.8.dfsg-2ubuntu4.3
1:1.2.8.dfsg-2ubuntu4.3+esm1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1:1.2.8.dfsg-2ubuntu4.3+esm2",
            "binary_name": "lib32z1"
        },
        {
            "binary_version": "1:1.2.8.dfsg-2ubuntu4.3+esm2",
            "binary_name": "lib32z1-dev"
        },
        {
            "binary_version": "1:1.2.8.dfsg-2ubuntu4.3+esm2",
            "binary_name": "lib64z1"
        },
        {
            "binary_version": "1:1.2.8.dfsg-2ubuntu4.3+esm2",
            "binary_name": "lib64z1-dev"
        },
        {
            "binary_version": "1:1.2.8.dfsg-2ubuntu4.3+esm2",
            "binary_name": "libx32z1"
        },
        {
            "binary_version": "1:1.2.8.dfsg-2ubuntu4.3+esm2",
            "binary_name": "libx32z1-dev"
        },
        {
            "binary_version": "1:1.2.8.dfsg-2ubuntu4.3+esm2",
            "binary_name": "zlib1g"
        },
        {
            "binary_version": "1:1.2.8.dfsg-2ubuntu4.3+esm2",
            "binary_name": "zlib1g-dev"
        }
    ],
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
}

Ubuntu:18.04:LTS / zlib

Package

Name
zlib
Purl
pkg:deb/ubuntu/zlib@1:1.2.11.dfsg-0ubuntu2.2?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:1.2.11.dfsg-0ubuntu2.2

Affected versions

1:1.*

1:1.2.11.dfsg-0ubuntu2
1:1.2.11.dfsg-0ubuntu2.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1:1.2.11.dfsg-0ubuntu2.2",
            "binary_name": "lib32z1"
        },
        {
            "binary_version": "1:1.2.11.dfsg-0ubuntu2.2",
            "binary_name": "lib32z1-dev"
        },
        {
            "binary_version": "1:1.2.11.dfsg-0ubuntu2.2",
            "binary_name": "lib64z1"
        },
        {
            "binary_version": "1:1.2.11.dfsg-0ubuntu2.2",
            "binary_name": "lib64z1-dev"
        },
        {
            "binary_version": "1:1.2.11.dfsg-0ubuntu2.2",
            "binary_name": "libx32z1"
        },
        {
            "binary_version": "1:1.2.11.dfsg-0ubuntu2.2",
            "binary_name": "libx32z1-dev"
        },
        {
            "binary_version": "1:1.2.11.dfsg-0ubuntu2.2",
            "binary_name": "zlib1g"
        },
        {
            "binary_version": "1:1.2.11.dfsg-0ubuntu2.2",
            "binary_name": "zlib1g-dev"
        }
    ],
    "availability": "No subscription required"
}