CVE-2020-36400

Description

ZeroMQ libzmq 4.3.3 has a heap-based buffer overflow in zmq::tcp_read, a different vulnerability than CVE-2021-20235.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.54%
Third-Party Advisory chromium.org Third-Party Advisory github.com Third-Party Advisory github.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=26042 patch mailing list third party advisory issue tracking
https://github.com/google/oss-fuzz-vulns/blob/main/vulns/libzmq/OSV-2020-1887.yaml third party advisory
https://github.com/zeromq/libzmq/commit/397ac80850bf8d010fae23dd215db0ee2c677306 third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2020-36400?
CVE-2020-36400 has been scored as a critical severity vulnerability.
How to fix CVE-2020-36400?
To fix CVE-2020-36400, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-36400 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-36400 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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