CVEvulnerability
CVE-2020-36400
9.8 CRITICAL
Official page ↗
- Status
- Modified
- Published
- 2021-07-01
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 7.5 HIGH — AV:N/AC:L/Au:N/C:P/I:P/A:P
- Weaknesses
- CWE-787
Description
ZeroMQ libzmq 4.3.3 has a heap-based buffer overflow in zmq::tcp_read, a different vulnerability than CVE-2021-20235.
Affected configurations
• zeromq libzmq 4.3.3
Related
Weakness · CWE (1)
- CWE-787 Out-of-bounds Write weakness
References
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=26042 Issue Tracking, Mailing List, Patch, Third Party Advisory
- 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 Patch, Third Party Advisory
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=26042 Issue Tracking, Mailing List, Patch, Third Party Advisory
- 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 Patch, Third Party Advisory