CVE-2012-3749

What it is

The extensions APIs in the kernel in Apple iOS before 6.0.1 provide kernel addresses in responses that contain an OSBundleMachOHeaders key, which makes it easier for remote attackers to bypass the ASLR protection mechanism via a crafted app.

At a glance

Exploitability

Can be exploited over the network without logging in. Limited direct impact.

Exploit odds

2.2% chance of exploitation in the next 30 days (EPSS).

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2012-11-03 17:55 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-16 23:43 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 2.2% in the next 30 days (EPSS).
• Severity: 5.0 MEDIUM (CVSS).
• Fix: a patch or advisory is linked.

Details

Published

2012-11-03 17:55 UTC

Last modified

2026-06-16 23:43 UTC

Exploit probability

2.2% · EPSS, next 30 days

Weakness

CWE-200 · Information exposure

Record status

Modified

Affected

• Apple Iphone Os ≤ 6.0
• Apple Iphone Os 1.0.0
• Apple Iphone Os 1.0.1
• Apple Iphone Os 1.0.2
• Apple Iphone Os 1.1.0
• Apple Iphone Os 1.1.1
• Apple Iphone Os 1.1.2
• Apple Iphone Os 1.1.3

Attack profile CVSS 2.0 · 5.0

Attack vector

Network

Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

None

Availability

None

Is it in your code?

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