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{"bugzilla": {"description": "Net::DNS: Net::DNS: Arbitrary code execution via EDNS EXTENDED ERROR handling", "id": "2502954", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2502954"}, "csaw": false, "cvss3": {"cvss3_base_score": "9.8", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-78", "details": ["A flaw was found in Net::DNS. A remote attacker can exploit a vulnerability in the handling of EDNS (Extension Mechanisms for DNS) EXTENDED ERROR options, leading to arbitrary code execution. The affected component processes the `EXTRA-TEXT` field of an EDNS EXTENDED-ERROR option without properly escaping special characters, which allows for command injection. This enables an attacker to execute unauthorized commands on the system."], "name": "CVE-2026-64193", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "perl-Net-DNS", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "perl-Net-DNS", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "perl-Net-DNS", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "perl-Net-DNS", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-07-20T17:54:42Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-64193\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-64193\nhttps://metacpan.org/release/NLNETLABS/Net-DNS-1.55_01/changes\nhttps://rt.cpan.org/Ticket/Display.html?id=179945\nhttps://www.net-dns.org/blog/#release-candidate-for-netdns-1.56"], "threat_severity": "Critical"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,1.55]"}}], "enrichment": {"confidence": 94.0, "confidence_source": "matching", "scores": [{"score": 94.0, "source": "matching"}]}, "original": {"product": "Net::DNS", "source": "cna", "vendor": "NLNETLABS"}, "product": "net_dns", "vendor": "nlnet_labs"}], "created": "2026-07-21T20:15:02.599596+00:00", "updated": "2026-08-01T07:15:03.373527+00:00", "vendors": ["nlnet_labs", "nlnet_labs$PRODUCT$net_dns"], "weaknesses": ["CWE-78", "CWE-95"]}