CVE-2019-3840 is a NULL pointer dereference vulnerability in libvirt versions prior to 5.0.0, affecting products like openSUSE and Red Hat libvirt. A low-privileged attacker within a guest virtual machine can exploit this flaw to crash the libvirtd service, leading to a denial of service. With a CVSS score of 6.3 (Medium), the attack requires high complexity but has a significant impact on availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 5.0.0CPE matchmatch criteria | cpe:2.3:a:redhat:libvirt:*:*:*:*:*:*:*:* | ||
15.0CPE matchmatch criteria | cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:* | ||
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:H/PR:L/UI:R/S:C/C:N/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.