Public PoC Released for Critical libssh2 CVE-2026-55200 Client
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CVE-2019-3855
—CVSS 3.1
8.8 high
EPSS
9%p95
Published
()
Modified
Description
An integer overflow flaw which could lead to an out of bounds write was discovered in libssh2 before 1.8.1 in the way packets are read from the server. A remote attacker who compromises a SSH server may be able to execute code on the client system when a user connects to the server.
- Vendors
- libssh2fedoraprojectdebiannetappredhatopensuseappleoracle
- Products
- libssh2, fedora, debian linux, ontap select deploy administration utility, enterprise linux, enterprise linux desktop, enterprise linux server, enterprise linux server aus, enterprise linux server eus, enterprise linux server tus, enterprise linux workstation, leap
- Weakness
- CWE-190, CWE-787
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
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