CVE-2021-3594 describes an invalid pointer initialization vulnerability in the SLiRP networking implementation of QEMU, specifically affecting libslirp versions prior to 4.6.0, and impacting products like Debian, Fedora, and Red Hat. This low-severity flaw (CVSS 3.8) can lead to out-of-bounds read access or indirect host memory disclosure to the guest, primarily threatening data confidentiality, and requires local access with low attack complexity. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage, indicating a low current risk.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 4.6.0CPE matchmatch criteria | cpe:2.3:a:libslirp_project:libslirp:*:*:*:*:*:*:*:* | ||
8.0CPE matchmatch criteria | cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* | ||
8.0CPE matchmatch criteria | cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:advanced_virtualization:*:*:* | ||
9.0CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* | ||
33CPE matchmatch criteria | cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N
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 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.