CVE-2012-5366

Name: CVE-2012-5366
Creator: NVD / NIST
Published: 2020-02-20T15:15:11.463+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 2.11%

Last modified Jun 16, 2026

CVE-2012-5366 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. The IPv6 implementation in Apple Mac OS X (unknown versions, year 2012 and earlier) allows remote attackers to cause a denial of service via a flood of ICMPv6 Router Advertisement packets containing multiple Routing entries.. EPSS estimates a 2.11% chance of exploitation in the next 30 days.

Description

The IPv6 implementation in Apple Mac OS X (unknown versions, year 2012 and earlier) allows remote attackers to cause a denial of service via a flood of ICMPv6 Router Advertisement packets containing multiple Routing entries.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

2.11%

79.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-400

Affected Software

Vendor	Product	Versions
Apple	Mac Os X	< 10.9

References

http://www.openwall.com/lists/oss-security/2012/10/10/12Mailing List, Third Party Advisory
https://www.securityfocus.com/bid/56170/infoThird Party Advisory, VDB Entry
http://www.openwall.com/lists/oss-security/2012/10/10/12Mailing List, Third Party Advisory
https://www.securityfocus.com/bid/56170/infoThird Party Advisory, VDB Entry

Timeline

Published: Feb 20, 2020
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2012-5366?

How severe is CVE-2012-5366?

CVE-2012-5366 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 2.11% probability of exploitation in the next 30 days.

How do I fix CVE-2012-5366?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2012-5366?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST