CVE-2016-4970

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

11.25% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 95.5% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/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

Moderate. 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

2017-04-13 14:00Z9 YR AGO

Last updated

2024-08-06 00:46Z2 YR AGO

Reserved

2016-05-24

Assigning CNA

redhat

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-835Loop with Unreachable Exit Condition ('Infinite Loop')Base

Data version

5.1

Document digest

9a1c994a8fbf5e9f49a5cd92db798d13c94becfd173e12979405703d83197a1d

• rhn.redhat.comRHSA-2017:0179http://rhn.redhat.com/errata/RHSA-2017-0179.htmlvendor-advisoryx_refsource_REDHAT
• rhn.redhat.comRHSA-2017:1097http://rhn.redhat.com/errata/RHSA-2017-1097.htmlvendor-advisoryx_refsource_REDHAT
• netty.iohttp://netty.io/news/2016/06/07/4-1-1-Final.htmlx_refsource_CONFIRM
• www.securityfocus.com96540http://www.securityfocus.com/bid/96540vdb-entryx_refsource_BID
• github.comhttps://github.com/netty/netty/pull/5364x_refsource_CONFIRM
• wiki.opendaylight.orghttps://wiki.opendaylight.org/view/Security_Advisoriesx_refsource_CONFIRM
• netty.iohttp://netty.io/news/2016/06/07/4-0-37-Final.htmlx_refsource_CONFIRM
• bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=1343616x_refsource_CONFIRM
• lists.apache.org[cassandra-commits] 20191112 [jira] [Created] (CASSANDRA-15412) Security vulnerability CVE-2016-4970 for Nettyhttps://lists.apache.org/thread.html/afaa5860e3a6d327eb96c3d82cbd2f5996de815a16854ed1ad310144%40%3Ccommits.cassandra.apache.org%3Emailing-listx_refsource_MLIST