OSV-2020-1887
Heap-buffer-overflow in zmq::tcp_read
No scoreFix available
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=26042
Crash type: Heap-buffer-overflow WRITE {*}
Crash state:
zmq::tcp_read
zmq::stream_engine_base_t::read
zmq::stream_engine_base_t::in_event_internal
What each source reports
OSV No score
Heap-buffer-overflow in zmq::tcp_read
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=26042
Crash type: Heap-buffer-overflow WRITE {*}
Crash state:
zmq::tcp_read
zmq::stream_engine_base_t::read
zmq::stream_engine_base_t::in_event_internal
- Record
OSV-2020-1887- Updated
- 2026-11-02
Affected packages
| Package | Affected | Fixed |
|---|---|---|
libzmqOSS-Fuzz |
Listed versions, plus commit ranges v4.3.3 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
OSV-2020-1887 is a vulnerability with no CVSS score yet in libzmq, published September 30, 2020. No source lists public exploit code. A source reports a fix.