CVE-2019-5596 is a critical vulnerability affecting FreeBSD versions 11.2-STABLE, 12.0-STABLE, and 12.0-RELEASE. It stems from a bug in the reference count implementation for UNIX domain sockets, which can lead to the incorrect release of a file structure. This flaw has a high CVSS score of 8.8, indicating a severe risk where a local attacker with low privileges can achieve root access or escape a jail with high confidentiality, integrity, and availability impacts. While not actively exploited in the wild, public exploit code exists on ExploitDB, and its FAUCET Risk Score of 91/100 highlights its significant potential for abuse.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
11.2CPE matchmatch criteria | cpe:2.3:a:freebsd:freebsd:11.2:*:*:*:*:*:*:* | ||
12.0CPE matchmatch criteria | cpe:2.3:a:freebsd:freebsd:12.0:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.