Unrated severityNVD Advisory· Published Sep 18, 2015· Updated Jun 17, 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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

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
Apple Inc./iOSllm-fuzzy
Range: <9.0

Patches

Vulnerability mechanics

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

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