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{"affected_release": [{"advisory": "RHEA-2021:1906", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "libyang-0:1.0.184-1.el8", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2021-05-18T00:00:00Z"}], "bugzilla": {"description": "libyang: double-free in function yyparse() when empty description is used", "id": "1793930", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1793930"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H", "status": "verified"}, "cwe": "CWE-416", "details": ["A double-free is present in libyang before v1.0-r1 in the function yyparse() when an empty description is used. Applications that use libyang to parse untrusted input yang files may be vulnerable to this flaw, which would cause a crash or potentially code execution.", "A double-free flaw occurs in libyang in function yyparse() when an empty description is used. Applications that use libyang to process untrusted input YANG files may be vulnerable to this flaw, possibly causing a crash or potential code execution."], "name": "CVE-2019-20393", "public_date": "2019-03-29T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2019-20393\nhttps://nvd.nist.gov/vuln/detail/CVE-2019-20393"], "threat_severity": "Moderate", "upstream_fix": "libyang 1.0-r1"}