USN-7993-1

It was discovered that libpng incorrectly handled memory when processing certain malformed PNG files. If a user or automated system were tricked into opening a specially crafted PNG file, an attacker could use this issue to cause libpng to crash, resulting in a denial of service.

References

Affected packages

Ubuntu:24.04:LTS / libpng1.6

Package

Name: libpng1.6
Purl: pkg:deb/ubuntu/libpng1.6@1.6.43-5ubuntu0.4?arch=source&distro=noble

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

1.6.43-5ubuntu0.4

Affected versions

1.*

1.6.40-1

1.6.40-2

1.6.40-3

1.6.42-1

1.6.43-1

1.6.43-3

1.6.43-5build1

1.6.43-5ubuntu0.1

1.6.43-5ubuntu0.3

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "libpng-dev",
            "binary_version": "1.6.43-5ubuntu0.4"
        },
        {
            "binary_name": "libpng-tools",
            "binary_version": "1.6.43-5ubuntu0.4"
        },
        {
            "binary_name": "libpng16-16t64",
            "binary_version": "1.6.43-5ubuntu0.4"
        }
    ]
}

Database specific

cves_map

{
    "cves": [
        {
            "id": "CVE-2025-28162",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        },
        {
            "id": "CVE-2025-28164",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:24.04:LTS"
}

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7993-1.json"