CVE-2021-20237
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2021-20237
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-20237.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2021-20237
- Aliases
-
- GHSA-4p5v-h92w-6wxw
- Related
- Published
- 2021-05-28T11:15:07Z
- Modified
- 2024-09-18T03:12:30.102562Z
- Severity
-
- 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
- Summary
- [none]
- Details
-
An uncontrolled resource consumption (memory leak) flaw was found in ZeroMQ's src/xpub.cpp in versions before 4.3.3. This flaw allows a remote unauthenticated attacker to send crafted PUB messages that consume excessive memory if the CURVE/ZAP authentication is disabled on the server, causing a denial of service. 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
Debian:12 / zeromq3
Package
- Name
- zeromq3
- Purl
- pkg:deb/debian/zeromq3?arch=source
Debian:13 / zeromq3
Package
- Name
- zeromq3
- Purl
- pkg:deb/debian/zeromq3?arch=source