Name | CVE-2019-3855 |
Description | 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 | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
References | DLA-1730-1, DSA-4431-1 |
Debian Bugs | 924965 |
Vulnerable and fixed packages
The table below lists information on source packages.
Source Package | Release | Version | Status |
---|
libssh2 (PTS) | buster | 1.8.0-2.1 | fixed |
| buster (security) | 1.8.0-2.1+deb10u1 | fixed |
| bullseye | 1.9.0-2 | fixed |
| bookworm | 1.10.0-3 | fixed |
| trixie | 1.11.0-4 | fixed |
| sid | 1.11.0-4.1 | fixed |
The information below is based on the following data on fixed versions.
Notes
https://www.libssh2.org/CVE-2019-3855.html
Patch: https://libssh2.org/1.8.0-CVE/CVE-2019-3855.patch
https://github.com/libssh2/libssh2/pull/315