libpng before 1.6.32 does not properly check the length of chunks against the user limit.
{
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_name": "libpng12-0",
            "binary_version": "1.2.54-1ubuntu1.1+esm1"
        },
        {
            "binary_name": "libpng12-dev",
            "binary_version": "1.2.54-1ubuntu1.1+esm1"
        },
        {
            "binary_name": "libpng3",
            "binary_version": "1.2.54-1ubuntu1.1+esm1"
        }
    ]
}
          {
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_name": "libpng16-16",
            "binary_version": "1.6.20-2ubuntu0.1~esm1"
        },
        {
            "binary_name": "libpng16-dev",
            "binary_version": "1.6.20-2ubuntu0.1~esm1"
        },
        {
            "binary_name": "libpng16-devtools",
            "binary_version": "1.6.20-2ubuntu0.1~esm1"
        },
        {
            "binary_name": "libpng16-tools",
            "binary_version": "1.6.20-2ubuntu0.1~esm1"
        }
    ]
}