This page tracks the Debian fix status. The vulnerability itself is described on the main CVE page. View CVE-2019-3855 →

DEBIAN-CVE-2019-3855

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...

Original description

The description as published by the source.

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. A remote attacker who compromises a SSH server may be able to execute code on the client system when a user connects to the server.

Source: OSV.dev (Open Source Vulnerabilities) OSV

Affected packages

Debian:12 libssh2

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.8.0-2.1"}]}]

Debian:13 libssh2

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.8.0-2.1"}]}]

Debian:14 libssh2

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.8.0-2.1"}]}]

References

advisory security-tracker.debian.org