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{"acknowledgement": "Red Hat would like to thank Maksym Odinintsev for reporting this issue.", "bugzilla": {"description": "bind: memory leaks in code handling Diffie-Hellman key exchange via TKEY RRs", "id": "2128598", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2128598"}, "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-401", "details": ["An attacker can leverage this flaw to gradually erode available memory to the point where named crashes for lack of resources. Upon restart the attacker would have to begin again, but nevertheless there is the potential to deny service.", "A flaw was found in the Bind package, where a flaw in \u2018named\u2019 can cause a small memory leak in key processing when using TKEY records in Diffie-Hellman mode with OpenSSL 3.0.0 and later versions. This flaw allows an attacker to gradually erode available memory to the point where \u2018named\u2019 crashes due to a lack of resources."], "name": "CVE-2022-2906", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "bind", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "bind", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "bind", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "bind9.16", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "bind", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "dhcp", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2022-09-21T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-2906\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-2906"], "statement": "This flaw only affects versions BIND-9.18.0 and higher, whereas Red Hat ships BIND-9.16 and lower versions. Therefore, versions of BIND shipped with Red Hat Products are not affected by this flaw.", "threat_severity": "Moderate"}