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{"bugzilla": {"description": "bind: Exceeding the recursive-clients quota may cause named to terminate unexpectedly when stale-answer-client-timeout is set to 0", "id": "2216228", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2216228"}, "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-121", "details": ["If the `recursive-clients` quota is reached on a BIND 9 resolver configured with both `stale-answer-enable yes;` and `stale-answer-client-timeout 0;`, a sequence of serve-stale-related lookups could cause `named` to loop and terminate unexpectedly due to a stack overflow.\nThis issue affects BIND 9 versions 9.16.33 through 9.16.41, 9.18.7 through 9.18.15, 9.16.33-S1 through 9.16.41-S1, and 9.18.11-S1 through 9.18.15-S1.", "A vulnerability was found in BIND. This security flaw occurs when the recursive-clients quota is reached on a BIND 9 resolver configured with stale-answer-enable yes; and stale-answer-client-timeout 0;. A sequence of serve-stale-related lookups could cause named to loop and terminate unexpectedly due to a stack overflow."], "name": "CVE-2023-2911", "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": "2023-06-21T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-2911\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-2911\nhttps://kb.isc.org/docs/cve-2023-2911"], "threat_severity": "Moderate"}

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