{
    "CVE_data_meta": {
        "ASSIGNER": "cve@mitre.org",
        "ID": "CVE-2023-27043",
        "STATE": "PUBLIC"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "n/a",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "n/a"
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    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "The email module of Python through 3.11.3 incorrectly parses e-mail addresses that contain a special character. The wrong portion of an RFC2822 header is identified as the value of the addr-spec. In some applications, an attacker can bypass a protection mechanism in which application access is granted only after verifying receipt of e-mail to a specific domain (e.g., only @company.example.com addresses may be used for signup). This occurs in email/_parseaddr.py in recent versions of Python."
            }
        ]
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        "problemtype_data": [
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                "description": [
                    {
                        "lang": "eng",
                        "value": "n/a"
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        "reference_data": [
            {
                "refsource": "MISC",
                "name": "https://github.com/python/cpython/issues/102988",
                "url": "https://github.com/python/cpython/issues/102988"
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                "refsource": "MISC",
                "name": "http://python.org",
                "url": "http://python.org"
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            {
                "refsource": "CONFIRM",
                "name": "https://python-security.readthedocs.io/vuln/email-parseaddr-realname.html",
                "url": "https://python-security.readthedocs.io/vuln/email-parseaddr-realname.html"
            },
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                "url": "https://github.com/python/cpython/issues/102988"
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            {
                "refsource": "CONFIRM",
                "name": "https://security.netapp.com/advisory/ntap-20230601-0003/",
                "url": "https://security.netapp.com/advisory/ntap-20230601-0003/"
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