CVE-2015-5869

low

Published 2015-09-18 · Modified 2026-05-06

CVSS v3

—

CVSS v2

3.3

VIR risk

3.3

Description

The Neighbor Discovery (ND) protocol implementation in the IPv6 stack in Apple iOS before 9 allows remote attackers to reconfigure a hop-limit setting via a small hop_limit value in a Router Advertisement (RA) message.

Predictions

Exploit likelihood

20%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: product-security@apple.com — https://support.apple.com/HT205267

vendor Authored 2026-05-27

Vendor advisory: product-security@apple.com — https://support.apple.com/HT205213

vendor Authored 2026-05-27

Vendor advisory: product-security@apple.com — https://support.apple.com/HT205212

vendor Authored 2026-05-27

Vendor advisory: product-security@apple.com — http://lists.apple.com/archives/security-announce/2015/Sep/msg00008.html

vendor Authored 2026-05-27

Vendor advisory: product-security@apple.com — http://lists.apple.com/archives/security-announce/2015/Sep/msg00005.html

vendor Authored 2026-05-27

Vendor advisory: product-security@apple.com — http://lists.apple.com/archives/security-announce/2015/Sep/msg00001.html

OS impact

OS	Version	Status	Fixed in
macos		affected
macos	1.0	affected

References

CWEs

CWE-20

Verify integrity in audit chain (admin only). AS-IS.