CVE-2019-3855highCWE-190CWE-787

CVE-2019-3855: high-severity vulnerability in The libssh2 Project libssh2

Published · Updated

Follow this CVE+ Monitor libssh2+ Monitor libssh2

E-mail alert when it lands in KEV, gets a public PoC or its score goes up.

21Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 7.5epss 9.3%
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.
CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Affected products
The libssh2 Project · libssh2
Related CVEs — The libssh2 Project libssh2

In the same product, most dangerous first.

CVE-2019-3862HIGHCVE-2019-3862EPSS 7.9%CVE-2019-3858MEDIUMCVE-2019-3858EPSS 6.4%CVE-2019-3859CRITICALCVE-2019-3859EPSS 6.3%CVE-2019-3856HIGHCVE-2019-3856EPSS 6.1%CVE-2019-3857HIGHCVE-2019-3857EPSS 6.1%CVE-2019-3860MEDIUMCVE-2019-3860EPSS 5.4%