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{"affected_release": [{"advisory": "RHSA-2022:7628", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "php:7.4-8070020220707122009.afd00e68", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2022-11-08T00:00:00Z"}, {"advisory": "RHSA-2022:5491", "cpe": "cpe:/a:redhat:rhel_software_collections:3::el7", "package": "rh-php73-php-0:7.3.33-1.el7", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 7", "release_date": "2022-07-04T00:00:00Z"}], "bugzilla": {"description": "php: Special character breaks path in xml parsing", "id": "2026045", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2026045"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.3", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "status": "verified"}, "cwe": "CWE-20", "details": ["In PHP versions 7.3.x below 7.3.33, 7.4.x below 7.4.26 and 8.0.x below 8.0.13, certain XML parsing functions, like simplexml_load_file(), URL-decode the filename passed to them. If that filename contains URL-encoded NUL character, this may cause the function to interpret this as the end of the filename, thus interpreting the filename differently from what the user intended, which may lead it to reading a different file than intended.", "A flaw was found in php. The main cause of this vulnerability is improper input validation while parsing an Extensible Markup Language(XML) entity. A special character could allow an attacker to traverse directories. The highest threat from this vulnerability is confidentiality."], "name": "CVE-2021-21707", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "php", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "php", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Out of support scope", "package_name": "php:7.3/php", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "php", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2021-11-15T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-21707\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-21707"], "threat_severity": "Moderate", "upstream_fix": "php-8.1.0 php-7.3.33"}