VDB
CVE-2021-20234
CVE-2021-20234
PUBLISHED
An uncontrolled resource consumption (memory leak) flaw was found in the ZeroMQ client in versions before 4.3.3 in src/pipe.cpp. This issue causes a client that connects to multiple malicious or compromised servers to crash. The highest threat from this vulnerability is to system availability.
EPSS 0.16% · 36.5th percentile
Risk Scores
EPSS Score
0.16%
36.5th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:Pro:14.04:LTS | zeromq3 | 4.0.4+dfsg-2ubuntu0.1, 4.0.4+dfsg-2ubuntu0.1+esm1, 4.0.4+dfsg-2ubuntu0.1+esm2 |
| Ubuntu:Pro:18.04:LTS | zeromq3 | 4.2.3-1, 4.2.5-1, 4.2.5-1ubuntu0.1 |
| Ubuntu:Pro:16.04:LTS | zeromq3 | 0, 4.0.5+dfsg-3ubuntu1~gcc5.1, 4.1.4-7ubuntu0.1 |
| Ubuntu:Pro:20.04:LTS | zeromq3 | 0, 4.3.2-1, 4.3.2-2 |
Exploit Intelligence
Timeline
- Apr 1, 2021 CVE Published
- Apr 14, 2021 EPSS Score
- Jun 23, 2021 EPSS Score
- Aug 24, 2021 EPSS Score
- Oct 26, 2021 EPSS Score
- Jan 6, 2022 EPSS Score
- Feb 28, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- May 1, 2022 EPSS Score
- Jul 3, 2022 EPSS Score
- Sep 4, 2022 EPSS Score
- Nov 6, 2022 EPSS Score
References
- https://ubuntu.com/security/CVE-2021-20234 third-party-advisory
- https://github.com/zeromq/libzmq/pull/3918 third-party-advisory
- https://github.com/zeromq/libzmq/security/advisories/GHSA-wfr2-29gj-5w87 third-party-advisory
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=22037 third-party-advisory
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=22123 third-party-advisory
- https://ubuntu.com/security/notices/USN-4920-1 vendor-advisory
- https://www.cve.org/CVERecord?id=CVE-2021-20234 third-party-advisory