01 Record
CVE-2019-5599
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
UnratedPUBLISHEDCNA: freebsd
CNA base scoreUnratedNo CNA CVSS vector
02 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
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 5.08% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 91.9% of scored records. A rank, not a probability.
- NVD base score
- 7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2019-07-02 20:02Z7 YR AGO
- Last updated
- 2024-08-04 20:01Z2 YR AGO
- Reserved
- 2019-01-07
- Assigning CNA
- freebsd
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-770Allocation of Resources Without Limits or ThrottlingBase
- Data version
- 5.1
- Document digest
- 1ae23716d7ff22952acac8af0c9cd589e03bbb69490a588e5e95cd2d48a32679
05 Affected products
VendorProductVersionsPlatforms
06 References
- www.openwall.com[oss-security] 20190617 Linux and FreeBSD Kernel: Multiple TCP-based remote denial of service issueshttp://www.openwall.com/lists/oss-security/2019/06/17/5
- github.comhttps://github.com/Netflix/security-bulletins/blob/master/advisories/third-party/2019-001.md
- packetstormsecurity.comhttp://packetstormsecurity.com/files/153329/Linux-FreeBSD-TCP-Based-Denial-Of-Service.html
- security.freebsd.orgFreeBSD-SA-19:08https://security.FreeBSD.org/advisories/FreeBSD-SA-19:08.rack.asc
- www.kb.cert.orgVU#905115https://www.kb.cert.org/vuls/id/905115
- seclists.org20190624 FreeBSD Security Advisory FreeBSD-SA-19:08.rackhttps://seclists.org/bugtraq/2019/Jun/27
- packetstormsecurity.comhttp://packetstormsecurity.com/files/153378/FreeBSD-Security-Advisory-FreeBSD-SA-19-08.rack.html
- support.f5.comhttps://support.f5.com/csp/article/K75521003
- kb.pulsesecure.nethttps://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44193
- security.netapp.comhttps://security.netapp.com/advisory/ntap-20190625-0004/