{
    "CVE_data_meta": {
        "ASSIGNER": "cve@mitre.org",
        "ID": "CVE-2019-18224",
        "STATE": "PUBLIC"
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    "affects": {
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    "description": {
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                "lang": "eng",
                "value": "idn2_to_ascii_4i in lib/lookup.c in GNU libidn2 before 2.1.1 has a heap-based buffer overflow via a long domain string."
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                        "value": "n/a"
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        "reference_data": [
            {
                "url": "https://github.com/libidn/libidn2/compare/libidn2-2.1.0...libidn2-2.1.1",
                "refsource": "MISC",
                "name": "https://github.com/libidn/libidn2/compare/libidn2-2.1.0...libidn2-2.1.1"
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                "url": "https://github.com/libidn/libidn2/commit/e4d1558aa2c1c04a05066ee8600f37603890ba8c",
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                "name": "https://github.com/libidn/libidn2/commit/e4d1558aa2c1c04a05066ee8600f37603890ba8c"
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                "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=12420",
                "refsource": "MISC",
                "name": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=12420"
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            {
                "refsource": "UBUNTU",
                "name": "USN-4168-1",
                "url": "https://usn.ubuntu.com/4168-1/"
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            {
                "refsource": "FEDORA",
                "name": "FEDORA-2019-a8d35fcf7c",
                "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JDQVQ2XPV5BTZUFINT7AFJSKNNBVURNJ/"
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            {
                "refsource": "FEDORA",
                "name": "FEDORA-2019-d3221d69e0",
                "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MINU5RKDFE6TKAFY5DRFN3WSFDS4DYVS/"
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            {
                "refsource": "SUSE",
                "name": "openSUSE-SU-2019:2611",
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                "refsource": "SUSE",
                "name": "openSUSE-SU-2019:2613",
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                "refsource": "DEBIAN",
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            {
                "refsource": "BUGTRAQ",
                "name": "20200203 [SECURITY] [DSA 4613-1] libidn2 security update",
                "url": "https://seclists.org/bugtraq/2020/Feb/4"
            },
            {
                "refsource": "GENTOO",
                "name": "GLSA-202003-63",
                "url": "https://security.gentoo.org/glsa/202003-63"
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}