CVE-2021-20234

2021-04-0100:00:00

ubuntu.com

4.3 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:N/I:N/A:P

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

0.001 Low

EPSS

Percentile

41.2%

JSON

An uncontrolled resource consumption (memory leak) flaw was found in the
ZeroMQ client in versions before 4.3.3 in src/pipe.cpp. This issue causes a
client that connects to multiple malicious or compromised servers to crash.
The highest threat from this vulnerability is to system availability.

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchzeromq3< 4.2.5-1ubuntu0.2+esm2UNKNOWN
ubuntu20.04noarchzeromq3< 4.3.2-2ubuntu1.20.04.1~esm2UNKNOWN
ubuntu14.04noarchzeromq3< 4.0.4+dfsg-2ubuntu0.1+esm3UNKNOWN
ubuntu16.04noarchzeromq3< 4.1.4-7ubuntu0.1+esm2UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	18.04	noarch	zeromq3	< 4.2.5-1ubuntu0.2+esm2	UNKNOWN
ubuntu	20.04	noarch	zeromq3	< 4.3.2-2ubuntu1.20.04.1~esm2	UNKNOWN
ubuntu	14.04	noarch	zeromq3	< 4.0.4+dfsg-2ubuntu0.1+esm3	UNKNOWN
ubuntu	16.04	noarch	zeromq3	< 4.1.4-7ubuntu0.1+esm2	UNKNOWN