DEBIAN-CVE-2021-20234

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Source
https://security-tracker.debian.org/tracker/CVE-2021-20234
Import Source
https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2021-20234.json
JSON Data
https://api.test.osv.dev/v1/vulns/DEBIAN-CVE-2021-20234
Upstream
Published
2021-04-01T14:15:13Z
Modified
2025-09-25T22:40:39Z
Severity
  • 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

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.

References

Affected packages

Debian:11 / zeromq3

Package

Name
zeromq3
Purl
pkg:deb/debian/zeromq3?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.3.3-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:12 / zeromq3

Package

Name
zeromq3
Purl
pkg:deb/debian/zeromq3?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.3.3-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:13 / zeromq3

Package

Name
zeromq3
Purl
pkg:deb/debian/zeromq3?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.3.3-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:14 / zeromq3

Package

Name
zeromq3
Purl
pkg:deb/debian/zeromq3?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.3.3-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}