netfilter: conntrack: remove sprintf usage

{
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "net/netfilter/nf_nat_amanda.c",
                        "net/netfilter/nf_nat_sip.c"
                    ],
                    "versions": [
                        {
                            "version": "9fafcd7b203229c3f3893a475741afc27e276306",
                            "lessThan": "2f793ba78470a99f40389b7dc60a81d9f5ad3956",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "9fafcd7b203229c3f3893a475741afc27e276306",
                            "lessThan": "6bbf829b4c1b44c941c47dd0d710f1393258f3d5",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "9fafcd7b203229c3f3893a475741afc27e276306",
                            "lessThan": "ab64e61c9323fa6de21bd20da1ddb29a0fb65d34",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "9fafcd7b203229c3f3893a475741afc27e276306",
                            "lessThan": "1c9fb8aeed06790d42cdcd00f6c3ce0b9e926c1e",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "9fafcd7b203229c3f3893a475741afc27e276306",
                            "lessThan": "a8e0a32a23d3f34862af3b4da792ecb3a891a9a3",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "9fafcd7b203229c3f3893a475741afc27e276306",
                            "lessThan": "8e3be0d12615a173fe260cd42753ca7a001acbf2",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "9fafcd7b203229c3f3893a475741afc27e276306",
                            "lessThan": "c08ff52e44945e6ef4ce0790f49ea761b060c45b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "9fafcd7b203229c3f3893a475741afc27e276306",
                            "lessThan": "6e7066bdb481a87fe88c4fa563e348c03b2d373d",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                }

{
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "net/netfilter/nf_nat_amanda.c",
                        "net/netfilter/nf_nat_sip.c"
                    ],
                    "versions": [
                        {
                            "version": "2.6.20",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "2.6.20",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.258",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.209",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.175",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.141",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.91",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.33",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.0.10",
                            "lessThanOrEqual": "7.0.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.1",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }