CVE records

Every CVE as the CVE Program publishes it, refreshed every ten minutes, with NVD's analysis, CISA's known-exploited status and a healthcare tag. Subscribers get the CVEs that match their own systems on My program, by email as they are published. Where the data comes from: sources.

Updated under an hour ago (2026-10-19 07:50 UTC)

What this means for you

This week: 5,438 CVEs published, 355 critical, and 7 newly confirmed exploited. Add your stack to see whether any of them hit you.

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This week's critical CVEs

Exploited in the last 30 days

Published in the last 7 days: 5,438; Show in the list
Critical, last 7 days: 355; Show in the list
Healthcare-tagged, last 7 days: 4; Show in the list
Known exploited (CISA KEV): 1,747; Show in the list

Showing CVEs that name the product libssh2_project:libssh2. Show all products

9 CVEs, showing 1 to 9

CVE	Severity	Title	Published
CVE-2019-3856	High 7.5	An integer overflow flaw, which could lead to an out of bounds write, was discovered in libssh2 before 1.8.1 in the way keyboard prompt requests are parsed. Assigned by redhat	Mar 25, 2019
CVE-2019-3857	High 7.5	An integer overflow flaw which could lead to an out of bounds write was discovered in libssh2 before 1.8.1 in the way SSH_MSG_CHANNEL_REQUEST packets with an exit signal are parsed. Assigned by redhat	Mar 25, 2019
CVE-2019-3860	Medium 5.0	An out of bounds read flaw was discovered in libssh2 before 1.8.1 in the way SFTP packets with empty payloads are parsed. Assigned by redhat	Mar 25, 2019
CVE-2019-3861	Medium 5.0	An out of bounds read flaw was discovered in libssh2 before 1.8.1 in the way SSH packets with a padding length value greater than the packet length are parsed. Assigned by redhat	Mar 25, 2019
CVE-2019-3863	High 7.5	A flaw was found in libssh2 before 1.8.1 creating a vulnerability on the SSH client side. Assigned by redhat	Mar 25, 2019
CVE-2019-3858	Medium 5.0	An out of bounds read flaw was discovered in libssh2 before 1.8.1 when a specially crafted SFTP packet is received from the server. Assigned by redhat	Mar 21, 2019
CVE-2019-3855	High 7.5	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. Assigned by redhat	Mar 21, 2019
CVE-2019-3862	High 7.3	An out of bounds read flaw was discovered in libssh2 before 1.8.1 in the way SSH_MSG_CHANNEL_REQUEST packets with an exit status message and no payload are parsed. Assigned by redhat	Mar 20, 2019
CVE-2019-3859	Medium 5.0	An out of bounds read flaw was discovered in libssh2 before 1.8.1 in the _libssh2_packet_require and _libssh2_packet_requirev functions. Assigned by redhat	Mar 20, 2019

CVSS is the assigning CNA's score where it gives one, otherwise NVD's. The healthcare tag is a documented heuristic (a list of clinical and health IT vendors, and clinical terms in the description), not a classification. The CVE record is authoritative.