Vulnerability Database

299,759

Total vulnerabilities in the database

CVE-2015-5879

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.

  • Published: Sep 18, 2015
  • Updated: Nov 9, 2025
  • CVE: CVE-2015-5879
  • Severity: Medium
  • Exploit:

CVSS v2:

  • Severity: Medium
  • Score: 5
  • AV:N/AC:L/Au:N/C:N/I:N/A:P

CWEs: