RHSA-2019:0679 — Security Advisory

An update for libssh2 is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

The libssh2 packages provide a library that implements the SSH2 protocol.

Security Fix(es):

• libssh2: Integer overflow in transport read resulting in out of bounds write (CVE-2019-3855)

• libssh2: Integer overflow in keyboard interactive handling resulting in out of bounds write (CVE-2019-3856)

• libssh2: Integer overflow in SSH packet processing channel resulting in out of bounds write (CVE-2019-3857)

• libssh2: Integer overflow in user authenticate keyboard interactive allows out-of-bounds writes (CVE-2019-3863)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.