USN-8081-1

It was discovered that libpng did not properly handle memory when processing certain PNG files. An attacker could possibly use this issue to cause libpng to crash, resulting in a denial of service, or disclose sensitive information. (CVE-2025-64505)

Joshua Inscoe discovered that libpng did not properly handle memory when processing certain PNG files. An attacker could possibly use this issue to cause libpng to crash, resulting in a denial of service, disclose sensitive information, or execute arbitrary code. (CVE-2026-25646)

References

Affected packages

Ubuntu:Pro:14.04:LTS / libpng

Package

Name: libpng
Purl: pkg:deb/ubuntu/libpng@1.2.50-1ubuntu2.14.04.3+esm1?arch=source&distro=esm-infra-legacy/trusty

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

1.2.50-1ubuntu2.14.04.3+esm1

Affected versions

1.*

1.2.49-4ubuntu1

1.2.49-5ubuntu1

1.2.50-1ubuntu1

1.2.50-1ubuntu2

1.2.50-1ubuntu2.14.04.1

1.2.50-1ubuntu2.14.04.2

1.2.50-1ubuntu2.14.04.3

Ecosystem specific

{
    "availability": "Available with Ubuntu Pro with Legacy support add-on: https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_version": "1.2.50-1ubuntu2.14.04.3+esm1",
            "binary_name": "libpng12-0"
        },
        {
            "binary_version": "1.2.50-1ubuntu2.14.04.3+esm1",
            "binary_name": "libpng12-dev"
        },
        {
            "binary_version": "1.2.50-1ubuntu2.14.04.3+esm1",
            "binary_name": "libpng3"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8081-1.json"

cves_map

{
    "ecosystem": "Ubuntu:Pro:14.04:LTS",
    "cves": [
        {
            "id": "CVE-2025-64505",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        },
        {
            "id": "CVE-2026-25646",
            "severity": [
                {
                    "type": "CVSS_V4",
                    "score": "CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N"
                },
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ]
}

Ubuntu:Pro:16.04:LTS / libpng

Package

Name: libpng
Purl: pkg:deb/ubuntu/libpng@1.2.54-1ubuntu1.1+esm2?arch=source&distro=esm-infra/xenial

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

1.2.54-1ubuntu1.1+esm2

Affected versions

1.*

1.2.51-0ubuntu3

1.2.54-1

1.2.54-1ubuntu1

1.2.54-1ubuntu1.1

1.2.54-1ubuntu1.1+esm1

Ecosystem specific

{
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_version": "1.2.54-1ubuntu1.1+esm2",
            "binary_name": "libpng12-0"
        },
        {
            "binary_version": "1.2.54-1ubuntu1.1+esm2",
            "binary_name": "libpng12-dev"
        },
        {
            "binary_version": "1.2.54-1ubuntu1.1+esm2",
            "binary_name": "libpng3"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8081-1.json"

cves_map

{
    "ecosystem": "Ubuntu:Pro:16.04:LTS",
    "cves": [
        {
            "id": "CVE-2025-64505",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        },
        {
            "id": "CVE-2026-25646",
            "severity": [
                {
                    "type": "CVSS_V4",
                    "score": "CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N"
                },
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ]
}