OSV-2025-433

See a problem?
Import Source
https://github.com/google/oss-fuzz-vulns/blob/main/vulns/libssh2/OSV-2025-433.yaml
JSON Data
https://api.osv.dev/v1/vulns/OSV-2025-433
Published
2025-06-05T00:02:57.199903Z
Modified
2025-06-05T00:02:57.200566Z
Summary
Null-dereference READ in _libssh2_packet_add
Details

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=422217191

Crash type: Null-dereference READ
Crash state:
_libssh2_packet_add
fullpacket
_libssh2_transport_read
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
d34d9258b8420b19ec3f97b4cc5bf7aa7d98e35a

Affected versions

libssh2-1.*
libssh2-1.11.1

Ecosystem specific 

{
    "severity": null
}

Database specific

introduced_range 
"c0f69548be902147ce014ffa40b8db3cf1d4b0b4:b7050d9e0a6e33642ce83b53ecd408bdee4cc521"
source 
"https://github.com/google/oss-fuzz-vulns/blob/main/vulns/libssh2/OSV-2025-433.yaml"