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CVE-2016-4970

HIGH
7.5
CVSS Score
Published: April 13, 2017 at 02:00 PM UTC
Updated: June 17, 2026 at 12:48 AM UTC
4 products affected across 3 vendorsNettyJBoss Data GridCassandra

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Severity
HIGH7.5
Exploit prediction
EPSS 11%

Description

handler/ssl/OpenSslEngine.java in Netty 4.0.x before 4.0.37.Final and 4.1.x before 4.1.1.Final allows remote attackers to cause a denial of service (infinite loop).

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Cassandra· Apachemaven
95%
3.11.4
Netty· Nettymaven
95%
4.0.20 ≤ v < 4.0.374.1.0 ≤ v < 4.1.1
Affected range stops below 4.0.37, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.1.1, so it looks safe — our inference, not a vendor statement
JBoss Data Grid· Red Hat
95%
7.1
JBoss Middleware Text Only Advisories· Red Hat
95%
1.0

References (9)

x_refsource_CONFIRMRelease NotesVendor Advisory
Source: [email protected]
http://netty.io/news/2016/06/07/4-0-37-Final.html
x_refsource_CONFIRMRelease NotesVendor Advisory
Source: [email protected]
http://netty.io/news/2016/06/07/4-1-1-Final.html
Vendor Advisoryx_refsource_REDHATThird Party Advisory
Source: [email protected]
http://rhn.redhat.com/errata/RHSA-2017-0179.html
Vendor Advisoryx_refsource_REDHATThird Party Advisory
Source: [email protected]
http://rhn.redhat.com/errata/RHSA-2017-1097.html
VDB Entryx_refsource_BIDThird Party Advisory
Source: [email protected]
http://www.securityfocus.com/bid/96540
x_refsource_CONFIRMIssue TrackingThird Party AdvisoryVDB Entry
Source: [email protected]
https://bugzilla.redhat.com/show_bug.cgi?id=1343616
x_refsource_CONFIRMPatchThird Party Advisory
Source: [email protected]
https://github.com/netty/netty/pull/5364
Mailing Listx_refsource_MLIST
Source: [email protected]
https://lists.apache.org/thread.html/afaa5860e3a6d327eb96c3d82cbd2f5996de815a16854ed1ad310144%40%3Ccommits.cassandra.apache.org%3E

CVSS

7.5HIGH[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-835

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