CVE-2019-3862 is an out-of-bounds read vulnerability in libssh2 versions prior to 1.8.1, affecting products like Debian, Fedora, NetApp, and OpenSUSE. This critical flaw (CVSS 9.1) allows a remote, unauthenticated attacker to cause a Denial of Service or read client memory by sending specially crafted SSH_MSG_CHANNEL_REQUEST packets. While there is no known active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered significant community discussion and some media coverage, indicating awareness despite its inactive status on the CISA KEV catalog.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 1.8.1CPE matchmatch criteria | cpe:2.3:a:libssh2:libssh2:*:*:*:*:*:*:*:* | ||
29CPE matchmatch criteria | cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:* | ||
8.0CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* | ||
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:a:netapp:ontap_select_deploy_administration_utility:-:*:*:*:*:*:*:* | ||
42.3CPE matchmatch criteria | cpe:2.3:o:opensuse:leap:42.3:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.