Skip to content

Loop with Unreachable Exit Condition in Netty

High severity GitHub Reviewed Published May 13, 2022 to the GitHub Advisory Database • Updated Oct 30, 2023

Package

maven io.netty:netty-handler (Maven)

Affected versions

>= 4.0.0.Alpha1, < 4.0.37.Final
>= 4.1.0.Beta1, < 4.1.1.Final

Patched versions

4.0.37.Final
4.1.1.Final

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).

References

Published by the National Vulnerability Database Apr 13, 2017
Published to the GitHub Advisory Database May 13, 2022
Reviewed Jul 6, 2022
Last updated Oct 30, 2023

Severity

High
7.5
/ 10

CVSS base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weaknesses

CVE ID

CVE-2016-4970

GHSA ID

GHSA-rv63-gqm8-9w8q

Source code

Credits

Checking history
See something to contribute? Suggest improvements for this vulnerability.