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{"bugzilla": {"description": "libyang: NULL pointer dereference in ext_get_plugin()", "id": "1964012", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1964012"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-476", "details": ["In function ext_get_plugin() in libyang <= v1.0.225, it doesn't check whether the value of revision is NULL. If revision is NULL, the operation of strcmp(revision, ext_plugins[u].revision) will lead to a crash.", "A flaw was found in libyang. A NULL pointer dereference in ext_get_plugin function allows a remote attacker to crash an application that uses libyang with user-controlled YANG data. The highest threat from this vulnerability is the service availability."], "name": "CVE-2021-28904", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Will not fix", "package_name": "libyang", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "libyang", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2021-03-07T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-28904\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-28904"], "threat_severity": "Moderate", "upstream_fix": "libyang 1.0.225"}