VULNERABILITY INTELLIGENCE
CVE-2019-5599
CVSS score7.5 HIGH
EPSS probability5.08%
CISA KEVNot currently listed
Published2019-07-02
Last modified2026-06-17
CVSS vectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Description
In FreeBSD 12.0-STABLE before r349197 and 12.0-RELEASE before 12.0-RELEASE-p6, a bug in the non-default RACK TCP stack can allow an attacker to cause several linked lists to grow unbounded and cause an expensive list traversal on every packet being processed, leading to resource exhaustion and a denial of service.
Weakness classification
- CWE-770: Allocation of Resources Without Limits or Throttling
Primary references
- secteam@freebsd.org — Third Party Advisory, VDB Entry
- secteam@freebsd.org — Third Party Advisory, VDB Entry
- secteam@freebsd.org — Mailing List, Third Party Advisory
- secteam@freebsd.org — Mitigation, Third Party Advisory
- secteam@freebsd.org — Third Party Advisory
- secteam@freebsd.org — Mailing List, Mitigation, Patch, Third Party Advisory
- secteam@freebsd.org — Mitigation, Vendor Advisory
- secteam@freebsd.org — Third Party Advisory
- secteam@freebsd.org — Third Party Advisory
- secteam@freebsd.org — Third Party Advisory, US Government Resource
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory, VDB Entry
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory, VDB Entry