VULNERABILITY INTELLIGENCE

CVE-2015-5879

CVSS score5 MEDIUM
EPSS probability2.44%
CISA KEVNot currently listed
Published2015-09-18
Last modified2026-06-17
CVSS vectorAV:N/AC:L/Au:N/C:N/I:N/A:P

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.

Weakness classification

  • CWE-20: Improper Input Validation

Primary references