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{"bugzilla": {"description": "python: protobuf: Protobuf: Denial of Service due to recursion depth bypass", "id": "2432398", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2432398"}, "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-674", "details": ["A denial-of-service (DoS) vulnerability exists in google.protobuf.json_format.ParseDict() in Python, where the max_recursion_depth limit can be bypassed when parsing nested google.protobuf.Any messages.\nDue to missing recursion depth accounting inside the internal Any-handling logic, an attacker can supply deeply nested Any structures that bypass the intended recursion limit, eventually exhausting Python\u2019s recursion stack and causing a RecursionError."], "name": "CVE-2026-0994", "package_state": [{"cpe": "cpe:/a:redhat:amq_clients:2023", "fix_state": "Affected", "package_name": "protobuf", "product_name": "AMQ Clients"}, {"cpe": "cpe:/a:redhat:ansible_automation_platform:2", "fix_state": "Affected", "package_name": "python3.11-protobuf", "product_name": "Red Hat Ansible Automation Platform 2"}, {"cpe": "cpe:/a:redhat:ansible_automation_platform:2", "fix_state": "Affected", "package_name": "python3x-protobuf", "product_name": "Red Hat Ansible Automation Platform 2"}, {"cpe": "cpe:/a:redhat:ansible_automation_platform:2", "fix_state": "Affected", "package_name": "python-protobuf", "product_name": "Red Hat Ansible Automation Platform 2"}, {"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "protobuf", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "protobuf", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:openstack:16.2", "fix_state": "Affected", "package_name": "protobuf", "product_name": "Red Hat OpenStack Platform 16.2"}], "public_date": "2026-01-23T14:55:16Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-0994\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-0994\nhttps://github.com/protocolbuffers/protobuf/pull/25239"], "threat_severity": "Important"}