Is CVE-2016-9778 in the CISA KEV catalog?

No. CVE-2016-9778 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2016-9778?

CVE-2016-9778 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2016-9778?

CVE-2016-9778 has an EPSS score of 6.79% (93th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix or mitigate CVE-2016-9778?

No published fix for CVE-2016-9778 has been found yet. Check the linked vendor advisories for guidance as it becomes available.

CVE & CISA-KEV Catalog

CVE-2016-9778

HIGHEPSS 93th pctl

7.5

CVSS v3

NVD

Description

An error in handling certain queries can cause an assertion failure when a server is using the nxdomain-redirect feature to cover a zone for which it is also providing authoritative service. A vulnerable server could be intentionally stopped by an attacker if it was using a configuration that met the criteria for the vulnerability and if the attacker could cause it to accept a query that possessed the required attributes. Please note: This vulnerability affects the "nxdomain-redirect" feature, which is one of two methods of handling NXDOMAIN redirection, and is only available in certain versions of BIND. Redirection using zones of type "redirect" is not affected by this vulnerability. Affects BIND 9.9.8-S1 -> 9.9.8-S3, 9.9.9-S1 -> 9.9.9-S6, 9.11.0-9.11.0-P1.

CWE-388

How to fix

No published remediation has been found for this vulnerability's affected products yet.

Mitigation guidance may be in the linked vendor advisories in the References section below.

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CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

6.79%probability of exploitation in 30 days

93rdpercentile

High risk: more likely to be exploited than 93% of all known CVEs.

References

Vendor Advisory1

kb.isc.org

Third-Party Advisory4

Related Vulnerabilities

Other CWE-388 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2018-1002105	Critical	9.8	87%	-	Fix
CVE-2016-8745	High	7.5	16%	-	Fix
CVE-2018-0155	High	8.6	7.9%	KEV	-
CVE-2014-9841	Critical	9.8	3.9%	-	Fix
CVE-2014-9826	Critical	9.8	3.7%	-	Fix
CVE-2017-5401	Critical	9.8	3.1%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.