| Name | CVE-2019-3859 |
| Description | An out of bounds read flaw was discovered in libssh2 before 1.8.1 in the _libssh2_packet_require and _libssh2_packet_requirev functions. A remote attacker who compromises a SSH server may be able to cause a Denial of Service or read data in the client memory. |
| 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, DLA-1730-3, DSA-4431-1, ELA-99-1, ELA-99-2, ELA-99-3 |
| Debian Bugs | 924965 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| libssh2 (PTS) | jessie, jessie (lts) | 1.4.3-4.1+deb8u7 | fixed |
| stretch (security) | 1.7.0-1+deb9u2 | fixed | |
| stretch (lts), stretch | 1.7.0-1+deb9u3 | fixed | |
| buster (security), buster, buster (lts) | 1.8.0-2.1+deb10u1 | fixed | |
| bullseye | 1.9.0-2+deb11u1 | fixed | |
| bookworm | 1.10.0-3 | fixed | |
| sid, trixie | 1.11.1-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| libssh2 | source | wheezy | 1.4.2-1.1+deb7u7 | ELA-99-3 | ||
| libssh2 | source | jessie | 1.4.3-4.1+deb8u4 | DLA-1730-3 | ||
| libssh2 | source | stretch | 1.7.0-1+deb9u1 | DSA-4431-1 | ||
| libssh2 | source | (unstable) | 1.8.0-2.1 | 924965 |
https://www.libssh2.org/CVE-2019-3859.html
Patch: https://libssh2.org/1.8.0-CVE/CVE-2019-3859.patch
https://github.com/libssh2/libssh2/pull/315