CVE-2020-36400

critical

Description

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

References

https://github.com/zeromq/libzmq/commit/397ac80850bf8d010fae23dd215db0ee2c677306

https://github.com/google/oss-fuzz-vulns/blob/main/vulns/libzmq/OSV-2020-1887.yaml

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=26042

Details

Source: Mitre, NVD

Published: 2021-07-01

Updated: 2021-07-06

Risk Information

CVSS v2

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Severity: High

CVSS v3

Base Score: 9.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical