CVE-2009-0959

What it is

The MPEG-4 video codec in Apple iPhone OS 1.0 through 2.2.1 and iPhone OS for iPod touch 1.1 through 2.2.1 allows remote attackers to cause a denial of service (device reset) via a crafted MPEG-4 video file that triggers an "input validation issue."

At a glance

Exploitability

Can be exploited over the network without logging in. High risk of service disruption.

Exploit odds

2.5% chance of exploitation in the next 30 days (EPSS).

Fix

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

Timeline

1. 2009-06-19 16:30 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-16 23:06 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 2.5% in the next 30 days (EPSS).
• Severity: 7.1 HIGH (CVSS).
• Fix: a patch or advisory is linked.

Details

Published

2009-06-19 16:30 UTC

Last modified

2026-06-16 23:06 UTC

Exploit probability

2.5% · EPSS, next 30 days

Weakness

CWE-20 · Improper input validation

Record status

Modified

Affected

• 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
• Apple Iphone Os 1.1.4

Attack profile CVSS 2.0 · 7.1

Attack vector

Network

Complexity

Medium

Authentication

None

Confidentiality

None

Integrity

None

Availability

Complete

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