CVE-2021-20237
N/A
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Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| n/a | zeromq | zeromq 4.3.3 | affected |
Weaknesses
- CWE-400: CWE-400
ADP Enrichment
CVE Program Container
Additional References
- https://bugzilla.redhat.com/show_bug.cgi?id=1921989
- https://github.com/zeromq/libzmq/security/advisories/GHSA-4p5v-h92w-6wxw
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1921989
- https://github.com/zeromq/libzmq/security/advisories/GHSA-4p5v-h92w-6wxw
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