CVE-2015-5879

MediumCVSS 5.0/10Last modified Jun 17, 2026

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.

Metrics

CVSS 2.0 5.0/10AV:N/AC:L/Au:N/C:N/I:N/A:P

Weakness enumeration

CWE-20

Affected software

No affected versions have been published.

Timeline

Published
Sep 18, 2015
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2015-5879: Medium severity, CVSS 5.0 | Vulnix