CVE-2015-3721

Name: CVE-2015-3721
Creator: NVD / NIST
Published: 2015-07-03T02:00:12.757+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.45%

Last modified Jun 17, 2026

CVE-2015-3721 is a vulnerability of currently unknown severity. The kernel in Apple iOS before 8.4 and OS X before 10.10.4 does not properly handle HFS parameters, which allows attackers to obtain sensitive memory-layout information via a crafted app.. EPSS estimates a 1.45% chance of exploitation in the next 30 days.

Description

The kernel in Apple iOS before 8.4 and OS X before 10.10.4 does not properly handle HFS parameters, which allows attackers to obtain sensitive memory-layout information via a crafted app.

Metrics

EPSS Probability

1.45%

69.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-200

Affected Software

Vendor	Product	Versions
Apple	Mac Os X	<= 10.10.3
Apple	Iphone Os	<= 8.3

References

http://lists.apple.com/archives/security-announce/2015/Jun/msg00001.htmlVendor Advisory
http://lists.apple.com/archives/security-announce/2015/Jun/msg00002.htmlPatch, Vendor Advisory
http://support.apple.com/kb/HT204941Vendor Advisory
http://support.apple.com/kb/HT204942Vendor Advisory
http://www.securityfocus.com/bid/75491
http://www.securitytracker.com/id/1032760
http://lists.apple.com/archives/security-announce/2015/Jun/msg00001.htmlVendor Advisory
http://lists.apple.com/archives/security-announce/2015/Jun/msg00002.htmlPatch, Vendor Advisory
http://support.apple.com/kb/HT204941Vendor Advisory
http://support.apple.com/kb/HT204942Vendor Advisory
http://www.securityfocus.com/bid/75491
http://www.securitytracker.com/id/1032760

Timeline

Published: Jul 3, 2015
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2015-3721?

The kernel in Apple iOS before 8.4 and OS X before 10.10.4 does not properly handle HFS parameters, which allows attackers to obtain sensitive memory-layout information via a crafted app.

How severe is CVE-2015-3721?

Severity scoring for CVE-2015-3721 is pending analysis. The EPSS model estimates a 1.45% probability of exploitation in the next 30 days.

How do I fix CVE-2015-3721?

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.

How Strix Helps

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Source: NVD / NIST