OSV-2023-343
Heap-buffer-overflow in _libssh2_ntohu32
No scoreFix available
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=58291
Crash type: Heap-buffer-overflow READ 1
Crash state:
_libssh2_ntohu32
packet_authagent_open
_libssh2_packet_add
What each source reports
OSV No score
Heap-buffer-overflow in _libssh2_ntohu32
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=58291
Crash type: Heap-buffer-overflow READ 1
Crash state:
_libssh2_ntohu32
packet_authagent_open
_libssh2_packet_add
- Record
OSV-2023-343- Updated
- 2026-11-02
Affected packages
| Package | Affected | Fixed |
|---|---|---|
libssh2OSS-Fuzz |
Listed versions, plus commit ranges libssh2-1.11.0 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
OSV-2023-343 is a vulnerability with no CVSS score yet in libssh2, published April 25, 2023. No source lists public exploit code. A source reports a fix.