CVE-2019-5599 is a denial-of-service vulnerability affecting FreeBSD 12.0-STABLE and 12.0-RELEASE, specifically within the non-default RACK TCP stack. An unauthenticated remote attacker can exploit a bug to cause unbounded growth of linked lists, leading to resource exhaustion and a denial of service. Rated with a CVSS score of 7.5 (High), this vulnerability is easily exploitable over the network with low attack complexity, resulting in high availability impact. While there is no known public exploit code or Metasploit/Nuclei modules, the vulnerability has garnered significant community discussion and media coverage, indicating awareness despite no evidence of active exploitation.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
12.0CPE matchmatch criteria | cpe:2.3:o:freebsd:freebsd:12.0:-:*:*:*:*:*:* | ||
12.0CPE matchmatch criteria | cpe:2.3:o:freebsd:freebsd:12.0:p1:*:*:*:*:*:* | ||
12.0CPE matchmatch criteria | cpe:2.3:o:freebsd:freebsd:12.0:p2:*:*:*:*:*:* | ||
12.0CPE matchmatch criteria | cpe:2.3:o:freebsd:freebsd:12.0:p3:*:*:*:*:*:* | ||
12.0CPE matchmatch criteria | cpe:2.3:o:freebsd:freebsd:12.0:p4:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.