ISC BIND is vulnerable to this security vulnerability. IBM i has addressed this vulnerability.
CVEID:CVE-2018-5740
**DESCRIPTION:*ISC BIND is vulnerable to a denial of service, caused by a defect in the deny-answer-aliases feature. By triggering this defect, a remote attacker could exploit this vulnerability to cause an INSIST assertion failure in name.c.
CVSS Base Score: 7.5
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/148131> for the current score
CVSS Environmental Score: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
Releases 7.1, 7.2 and 7.3 of IBM i are affected.
The issue can be fixed by applying a PTF to IBM i.
Releases 7.1, 7.2 and 7.3 of IBM i are supported and will be fixed.
<http://www-933.ibm.com/support/fixcentral/>
The IBM i PTF numbers are:
Release 7.1 – SI68478
Release 7.2 – SI68467
Release 7.3 – SI68466
_Important note: _IBM recommends that all users running unsupported versions of affected products upgrade to supported and fixed version of affected products.
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