CVE-2015-5879

iPhone OS < 8.4.1 and macOS < 10.10.5 - Denial of Service via TCP Header Validation Bypass

Title source: llm
STIX 2.1

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.

References (6)

Core 6
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1033609
Vendor Advisory x_refsource_confirm
https://support.apple.com/HT205212
Vendor Advisory vendor-advisory x_refsource_apple
http://lists.apple.com/archives/security-announce/2015/Sep/msg00008.html
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/76764
Vendor Advisory x_refsource_confirm
https://support.apple.com/HT205267
Vendor Advisory vendor-advisory x_refsource_apple
http://lists.apple.com/archives/security-announce/2015/Sep/msg00001.html

Scores

EPSS 0.0244
EPSS Percentile 82.4%

Details

CWE
CWE-20
Status published
Products (2)
apple/iphone_os < 8.4.1
apple/mac_os_x < 10.10.5
Published Sep 18, 2015
Tracked Since Feb 18, 2026