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CVE-2021-20237 An uncontrolled resource consumption (memory leak) flaw was found in ZeroMQ's src/xpub.cpp in versions before 4.3.3
Description
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 products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| zeromq | Versions not published |
Other CVEs of zeromq
The 4 CVEs of zeromq →
CVE-2021-20236
A flaw was found in the ZeroMQ server in versions before 4.3.3
Not rated
CVE-2021-20235
There's a flaw in the zeromq server in versions before 4.3.3 in src/decoder_allocators.hpp
Not rated
CVE-2021-20234
An uncontrolled resource consumption (memory leak) flaw was found in the ZeroMQ client in versions before 4.3.3 in…
Not rated