OSV-2025-92

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Import Source
https://github.com/google/oss-fuzz-vulns/blob/main/vulns/libssh2/OSV-2025-92.yaml
JSON Data
https://api.osv.dev/v1/vulns/OSV-2025-92
Published
2025-02-05T00:18:00.385170Z
Modified
2025-12-20T14:25:09.128654Z
Summary
Null-dereference READ in session_startup
Details

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=393523566

Crash type: Null-dereference READ
Crash state:
session_startup
libssh2_session_handshake
ssh2_client_fuzzer.cc
References

Affected packages

OSS-Fuzz / libssh2

Package

Name
libssh2
Purl
pkg:generic/libssh2

Affected ranges

Type
GIT
Repo
https://github.com/libssh2/libssh2.git
Events
Introduced
64a555d6f5aafed504a10e5b756e85c91b1d56ce
Fixed
631e2f82a32ef016299ebb1af66efeae0161f68e

Affected versions

libssh2-1.*
libssh2-1.11.0
libssh2-1.11.1

Ecosystem specific 

{
    "severity": null
}

Database specific

fixed_range 
"c10cb2449c82c4cd8ae519cf1b34b56396eafa96:631e2f82a32ef016299ebb1af66efeae0161f68e"
introduced_range 
"967792c89625440fe86e0e55ce84082eea9e71a6:13ad7b2f5cd67e0dc843098ce19ce8b208368c29"
source 
"https://github.com/google/oss-fuzz-vulns/blob/main/vulns/libssh2/OSV-2025-92.yaml"