Freeciv before 2.6.7 and before 3.0.3 is prone to a buffer overflow vulnerability in the Modpack Installer utility's handling of the modpack URL.
{
    "binaries": [
        {
            "binary_version": "2.5.3-1",
            "binary_name": "freeciv"
        },
        {
            "binary_version": "2.5.3-1",
            "binary_name": "freeciv-client-extras"
        },
        {
            "binary_version": "2.5.3-1",
            "binary_name": "freeciv-client-gtk"
        },
        {
            "binary_version": "2.5.3-1",
            "binary_name": "freeciv-client-qt"
        },
        {
            "binary_version": "2.5.3-1",
            "binary_name": "freeciv-client-sdl"
        },
        {
            "binary_version": "2.5.3-1",
            "binary_name": "freeciv-data"
        },
        {
            "binary_version": "2.5.3-1",
            "binary_name": "freeciv-server"
        },
        {
            "binary_version": "2.5.3-1",
            "binary_name": "freeciv-sound-standard"
        }
    ]
}{
    "binaries": [
        {
            "binary_version": "2.5.10-1",
            "binary_name": "freeciv"
        },
        {
            "binary_version": "2.5.10-1",
            "binary_name": "freeciv-client-extras"
        },
        {
            "binary_version": "2.5.10-1",
            "binary_name": "freeciv-client-gtk"
        },
        {
            "binary_version": "2.5.10-1",
            "binary_name": "freeciv-client-gtk3"
        },
        {
            "binary_version": "2.5.10-1",
            "binary_name": "freeciv-client-qt"
        },
        {
            "binary_version": "2.5.10-1",
            "binary_name": "freeciv-client-sdl"
        },
        {
            "binary_version": "2.5.10-1",
            "binary_name": "freeciv-data"
        },
        {
            "binary_version": "2.5.10-1",
            "binary_name": "freeciv-server"
        },
        {
            "binary_version": "2.5.10-1",
            "binary_name": "freeciv-sound-standard"
        }
    ]
}{
    "binaries": [
        {
            "binary_version": "2.6.2-1",
            "binary_name": "freeciv"
        },
        {
            "binary_version": "2.6.2-1",
            "binary_name": "freeciv-client-extras"
        },
        {
            "binary_version": "2.6.2-1",
            "binary_name": "freeciv-client-gtk"
        },
        {
            "binary_version": "2.6.2-1",
            "binary_name": "freeciv-client-gtk3"
        },
        {
            "binary_version": "2.6.2-1",
            "binary_name": "freeciv-client-qt"
        },
        {
            "binary_version": "2.6.2-1",
            "binary_name": "freeciv-client-sdl"
        },
        {
            "binary_version": "2.6.2-1",
            "binary_name": "freeciv-data"
        },
        {
            "binary_version": "2.6.2-1",
            "binary_name": "freeciv-server"
        },
        {
            "binary_version": "2.6.2-1",
            "binary_name": "freeciv-sound-standard"
        }
    ]
}{
    "binaries": [
        {
            "binary_version": "2.6.6-1",
            "binary_name": "freeciv"
        },
        {
            "binary_version": "2.6.6-1",
            "binary_name": "freeciv-client-extras"
        },
        {
            "binary_version": "2.6.6-1",
            "binary_name": "freeciv-client-gtk"
        },
        {
            "binary_version": "2.6.6-1",
            "binary_name": "freeciv-client-gtk3"
        },
        {
            "binary_version": "2.6.6-1",
            "binary_name": "freeciv-client-qt"
        },
        {
            "binary_version": "2.6.6-1",
            "binary_name": "freeciv-client-sdl"
        },
        {
            "binary_version": "2.6.6-1",
            "binary_name": "freeciv-data"
        },
        {
            "binary_version": "2.6.6-1",
            "binary_name": "freeciv-server"
        },
        {
            "binary_version": "2.6.6-1",
            "binary_name": "freeciv-sound-standard"
        }
    ]
}{
    "binaries": [
        {
            "binary_version": "3.1.0+ds-1build5",
            "binary_name": "freeciv"
        },
        {
            "binary_version": "3.1.0+ds-1build5",
            "binary_name": "freeciv-client-extras"
        },
        {
            "binary_version": "3.1.0+ds-1build5",
            "binary_name": "freeciv-client-gtk3"
        },
        {
            "binary_version": "3.1.0+ds-1build5",
            "binary_name": "freeciv-client-qt"
        },
        {
            "binary_version": "3.1.0+ds-1build5",
            "binary_name": "freeciv-client-sdl"
        },
        {
            "binary_version": "3.1.0+ds-1build5",
            "binary_name": "freeciv-data"
        },
        {
            "binary_version": "3.1.0+ds-1build5",
            "binary_name": "freeciv-ruleset-tools"
        },
        {
            "binary_version": "3.1.0+ds-1build5",
            "binary_name": "freeciv-server"
        }
    ]
}{
    "binaries": [
        {
            "binary_version": "3.1.4+ds-2",
            "binary_name": "freeciv"
        },
        {
            "binary_version": "3.1.4+ds-2",
            "binary_name": "freeciv-client-extras"
        },
        {
            "binary_version": "3.1.4+ds-2",
            "binary_name": "freeciv-client-gtk3"
        },
        {
            "binary_version": "3.1.4+ds-2",
            "binary_name": "freeciv-client-gtk4"
        },
        {
            "binary_version": "3.1.4+ds-2",
            "binary_name": "freeciv-client-qt"
        },
        {
            "binary_version": "3.1.4+ds-2",
            "binary_name": "freeciv-client-sdl"
        },
        {
            "binary_version": "3.1.4+ds-2",
            "binary_name": "freeciv-data"
        },
        {
            "binary_version": "3.1.4+ds-2",
            "binary_name": "freeciv-ruleset-tools"
        },
        {
            "binary_version": "3.1.4+ds-2",
            "binary_name": "freeciv-server"
        }
    ]
}{
    "binaries": [
        {
            "binary_version": "3.2.0+ds-1",
            "binary_name": "freeciv"
        },
        {
            "binary_version": "3.2.0+ds-1",
            "binary_name": "freeciv-client-extras"
        },
        {
            "binary_version": "3.2.0+ds-1",
            "binary_name": "freeciv-client-gtk3"
        },
        {
            "binary_version": "3.2.0+ds-1",
            "binary_name": "freeciv-client-gtk4"
        },
        {
            "binary_version": "3.2.0+ds-1",
            "binary_name": "freeciv-client-qt"
        },
        {
            "binary_version": "3.2.0+ds-1",
            "binary_name": "freeciv-client-sdl"
        },
        {
            "binary_version": "3.2.0+ds-1",
            "binary_name": "freeciv-data"
        },
        {
            "binary_version": "3.2.0+ds-1",
            "binary_name": "freeciv-ruleset-tools"
        },
        {
            "binary_version": "3.2.0+ds-1",
            "binary_name": "freeciv-server"
        }
    ]
}