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CVE-2018-5736

29
FAUCET Score

CVE-2018-5736 is a medium-severity assertion failure vulnerability in BIND versions 9.12.0 and 9.12.1, impacting ISC BIND and NetApp products. An authenticated attacker can trigger this flaw by rapidly initiating zone transfers, causing the named process to crash and resulting in a denial of service. The attack complexity is high, but it can be exploited remotely. While there is no known active exploitation or public exploit code, the vulnerability has garnered some community discussion and media coverage, indicating awareness within the cybersecurity community.

Impacted Technologies

VendorProductVersion(s)CPE
9.12.0CPE matchmatch criteria
cpe:2.3:a:isc:bind:9.12.0:*:*:*:*:*:*:*
9.12.1CPE matchmatch criteria
cpe:2.3:a:isc:bind:9.12.1:*:*:*:*:*:*:*
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:*
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:a:netapp:data_ontap_edge:-:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

5.3MEDIUM

CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
1.6
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
18.02%
Probability of exploitation in next 30 days
EPSS Percentile
96.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.1802 is in the 98th percentile among its peer group of 1,428 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Advisories (1)

redhatCVE-2018-5736Moderate

bind: Multiple transfers of a zone in quick succession can cause an assertion failure in rbtdb.c

May 18, 2018

References

kb.isc.org / docs/aa-01602
Vendor Advisory
security.netapp.com / advisory/ntap-20180926-0004
Third Party Advisory
securityfocus.com / bid/104386
Third Party AdvisoryVDB Entry
securitytracker.com / id/1040941
Third Party AdvisoryVDB Entry