Zeromq
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By the Year
In 2025 there have been 0 vulnerabilities in Zeromq. Zeromq did not have any published security vulnerabilities last year.
| Year | Vulnerabilities | Average Score |
|---|---|---|
| 2025 | 0 | 0.00 |
| 2024 | 0 | 0.00 |
| 2023 | 0 | 0.00 |
| 2022 | 0 | 0.00 |
| 2021 | 1 | 9.80 |
| 2020 | 0 | 0.00 |
| 2019 | 0 | 0.00 |
| 2018 | 0 | 0.00 |
It may take a day or so for new Zeromq vulnerabilities to show up in the stats or in the list of recent security vulnerabilties. Additionally vulnerabilities may be tagged under a different product or component name.
Recent Zeromq Security Vulnerabilities
A flaw was found in the ZeroMQ server in versions before 4.3.3
CVE-2021-20236
9.8 - Critical
- May 28, 2021
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.
Memory Corruption
