CVE-2019-3855: The libssh2 Project libssh2

Affected products, as the CNA wrote them
Vendor	Product	Versions
The libssh2 Project	libssh2	affected 1.8.1

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
7.5	High	3.0	CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H	CNA (redhat)

CISA KEV Not listed.
EPSS 0.093, the 95th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 21 Mar 2019. New records show when each source confirmed them.

Sources

References from the CNA

www.openwall.com/lists/oss-security/2019/03/18/3 mailing-listmlist
seclists.org/bugtraq/2019/Mar/25 mailing-listbugtraq
www.libssh2.org/CVE-2019-3855.html
bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3855 confirm
packetstormsecurity.com/files/152136/Slackware-Security-Advisory-libssh2-Updates.html
www.securityfocus.com/bid/107485 vdb-entrybid
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XCWEA5ZCLKRDUK62QVVYMFWLWKOPX3LO/ vendor-advisoryfedora
www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2019-767 confirm
lists.debian.org/debian-lts-announce/2019/03/msg00032.html mailing-listmlist
security.netapp.com/advisory/ntap-20190327-0005/ confirm
access.redhat.com/errata/RHSA-2019:0679 vendor-advisoryredhat
lists.opensuse.org/opensuse-security-announce/2019-03/msg00040.html vendor-advisorysuse
lists.opensuse.org/opensuse-security-announce/2019-04/msg00003.html vendor-advisorysuse
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5DK6VO2CEUTAJFYIKWNZKEKYMYR3NO2O/ vendor-advisoryfedora
www.debian.org/security/2019/dsa-4431 vendor-advisorydebian
seclists.org/bugtraq/2019/Apr/25 mailing-listbugtraq
access.redhat.com/errata/RHSA-2019:1175 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2019:1652 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2019:1791 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2019:1943 vendor-advisoryredhat
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6LUNHPW64IGCASZ4JQ2J5KDXNZN53DWW/ vendor-advisoryfedora
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M7IF3LNHOA75O4WZWIHJLIRMA5LJUED3/ vendor-advisoryfedora
access.redhat.com/errata/RHSA-2019:2399 vendor-advisoryredhat
support.apple.com/kb/HT210609 confirm
seclists.org/bugtraq/2019/Sep/49 mailing-listbugtraq
seclists.org/fulldisclosure/2019/Sep/42 mailing-listfulldisc
www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.