CVE-2016-6170

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

40.93% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 98.5% of scored records. A rank, not a probability.

NVD base score

6.5 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

Low. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2016-07-06 14:00Z10 YR AGO

Last updated

2024-08-06 01:22Z2 YR AGO

Reserved

2016-07-06

Assigning CNA

redhat

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-20Improper Input ValidationClass

Data version

5.1

Document digest

61dc29ed885623b1fcb6a256b2f453333b69bb25434e723e07fb1d943f038d29

• lists.dns-oarc.net[dns-operations] 20160706 DNS activities in Japanhttps://lists.dns-oarc.net/pipermail/dns-operations/2016-July/015075.htmlmailing-listx_refsource_MLIST
• lists.dns-oarc.net[dns-operations] 20160706 DNS activities in Japanhttps://lists.dns-oarc.net/pipermail/dns-operations/2016-July/015073.htmlmailing-listx_refsource_MLIST
• www.openwall.com[oss-security] 20160706 Malicious primary DNS servers can crash secondarieshttp://www.openwall.com/lists/oss-security/2016/07/06/3mailing-listx_refsource_MLIST
• www.securitytracker.com1036241http://www.securitytracker.com/id/1036241vdb-entryx_refsource_SECTRACK
• lists.dns-oarc.net[dns-operations] 20160704 DNS activities in Japanhttps://lists.dns-oarc.net/pipermail/dns-operations/2016-July/015058.htmlmailing-listx_refsource_MLIST
• security.gentoo.orgGLSA-201610-07https://security.gentoo.org/glsa/201610-07vendor-advisoryx_refsource_GENTOO
• kb.isc.orghttps://kb.isc.org/article/AA-01390x_refsource_CONFIRM
• www.securityfocus.com91611http://www.securityfocus.com/bid/91611vdb-entryx_refsource_BID
• github.comhttps://github.com/sischkg/xfer-limit/blob/master/README.mdx_refsource_MISC
• kb.isc.orghttps://kb.isc.org/article/AA-01390/169/CVE-2016-6170x_refsource_CONFIRM
• bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=1353563x_refsource_CONFIRM