High severity7.5NVD Advisory· Published Jul 2, 2019· Updated Jun 17, 2026
CVE-2019-5599
CVE-2019-5599
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
8- FreeBSD/FreeBSDdescription
cpe:2.3:o:freebsd:freebsd:12.0:-:*:*:*:*:*:*+ 6 more
- cpe:2.3:o:freebsd:freebsd:12.0:-:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:12.0:p1:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:12.0:p2:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:12.0:p3:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:12.0:p4:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:12.0:p5:*:*:*:*:*:*
- (no CPE)range: <12.0-RELEASE-p6, <r349197
Patches
Vulnerability mechanics
References
10- seclists.org/bugtraq/2019/Jun/27nvdMailing ListMitigationPatchThird Party Advisory
- packetstormsecurity.com/files/153329/Linux-FreeBSD-TCP-Based-Denial-Of-Service.htmlnvdThird Party AdvisoryVDB Entry
- packetstormsecurity.com/files/153378/FreeBSD-Security-Advisory-FreeBSD-SA-19-08.rack.htmlnvdThird Party AdvisoryVDB Entry
- www.openwall.com/lists/oss-security/2019/06/17/5nvdMailing ListThird Party Advisory
- github.com/Netflix/security-bulletins/blob/master/advisories/third-party/2019-001.mdnvdMitigationThird Party Advisory
- kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44193nvdThird Party Advisory
- security.freebsd.org/advisories/FreeBSD-SA-19:08.rack.ascnvdMitigationVendor Advisory
- security.netapp.com/advisory/ntap-20190625-0004/nvdThird Party Advisory
- support.f5.com/csp/article/K75521003nvdThird Party Advisory
- www.kb.cert.org/vuls/id/905115nvdThird Party AdvisoryUS Government Resource
News mentions
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