CVE-2021-20236

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Source
https://nvd.nist.gov/vuln/detail/CVE-2021-20236
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-20236.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2021-20236
Related
Published
2021-05-28T11:15:07Z
Modified
2024-11-21T05:46:11Z
Severity
  • 9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

A flaw was found in the ZeroMQ server in versions before 4.3.3. This flaw allows a malicious client to cause a stack buffer overflow on the server by sending crafted topic subscription requests and then unsubscribing. The highest threat from this vulnerability is to confidentiality, integrity, as well as 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"
}