CVE-2019-3859: 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
5.0	Medium	3.0	CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L	CNA (redhat)Used for this record
9.1	Critical	3.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H	ADP (CISA-ADP)

CISA KEV Not listed.
EPSS 0.063, the 93rd 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 20 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-2019-3859.html
bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3859 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
lists.opensuse.org/opensuse-security-announce/2019-03/msg00040.html vendor-advisorysuse
lists.debian.org/debian-lts-announce/2019/04/msg00006.html mailing-listmlist
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
lists.opensuse.org/opensuse-security-announce/2019-04/msg00102.html vendor-advisorysuse
lists.opensuse.org/opensuse-security-announce/2019-04/msg00103.html vendor-advisorysuse
lists.debian.org/debian-lts-announce/2019/07/msg00024.html mailing-listmlist
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.