CVE-2019-3861

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

5.11% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 92.0% of scored records. A rank, not a probability.

NVD base score

9.1 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-10-14.

Red Hat severity

Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2019-03-25 18:30Z7 YR AGO

Last updated

2026-10-14 06:35Z15 DAYS AGO

Reserved

2019-01-03

Assigning CNA

redhat

Record state

PUBLISHED

Severity

Medium (CVSS 5.0)

CNA CVSS vector

CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L

Weaknesses

• CWE-125Out-of-bounds ReadBase

Data version

5.2

Document digest

31e99e9ae89c1b7a33b7b6d1e1c0876e550c95a7a94c78055479e770986ae93f

• www.libssh2.orghttps://www.libssh2.org/CVE-2019-3861.htmlx_refsource_MISC
• bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3861x_refsource_CONFIRM
• lists.debian.org[debian-lts-announce] 20190326 [SECURITY] [DLA 1730-1] libssh2 security updatehttps://lists.debian.org/debian-lts-announce/2019/03/msg00032.htmlmailing-listx_refsource_MLIST
• security.netapp.comhttps://security.netapp.com/advisory/ntap-20190327-0005/x_refsource_CONFIRM
• lists.opensuse.orgopenSUSE-SU-2019:1075http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00040.htmlvendor-advisoryx_refsource_SUSE
• lists.opensuse.orgopenSUSE-SU-2019:1109http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00003.htmlvendor-advisoryx_refsource_SUSE
• lists.fedoraproject.orgFEDORA-2019-3348cb4934https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5DK6VO2CEUTAJFYIKWNZKEKYMYR3NO2O/vendor-advisoryx_refsource_FEDORA
• www.debian.orgDSA-4431https://www.debian.org/security/2019/dsa-4431vendor-advisoryx_refsource_DEBIAN
• seclists.org20190415 [SECURITY] [DSA 4431-1] libssh2 security updatehttps://seclists.org/bugtraq/2019/Apr/25mailing-listx_refsource_BUGTRAQ
• access.redhat.comRHSA-2019:2136https://access.redhat.com/errata/RHSA-2019:2136vendor-advisoryx_refsource_REDHAT
• www.oracle.comhttps://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.htmlx_refsource_MISC
• cert-portal.siemens.comhttps://cert-portal.siemens.com/productcert/html/ssa-398330.html