Unrated severityNVD Advisory· Published Sep 18, 2015· Updated May 6, 2026

CVE-2015-5879

Description

XNU in the kernel in Apple iOS before 9 does not properly validate the headers of TCP packets, which allows remote attackers to bypass the sequence-number protection mechanism and cause a denial of service (TCP connection disruption) via a crafted header.

Affected products

Apple Inc./Iphone Os
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
Range: <=8.4.1
Apple Inc./Mac Os X
cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*
Range: <=10.10.5

Patches

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

lists.apple.com/archives/security-announce/2015/Sep/msg00001.htmlnvdVendor Advisory
lists.apple.com/archives/security-announce/2015/Sep/msg00008.htmlnvdVendor Advisory
support.apple.com/HT205212nvdVendor Advisory
support.apple.com/HT205267nvdVendor Advisory
www.securityfocus.com/bid/76764nvd
www.securitytracker.com/id/1033609nvd

News mentions

No linked articles in our index yet.

cvss	0.000
epss	0.001
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000