CVE-2009-1698

What it is

WebKit in Apple Safari before 4.0, iPhone OS 1.0 through 2.2.1, and iPhone OS for iPod touch 1.1 through 2.2.1 does not initialize a pointer during handling of a Cascading Style Sheets (CSS) attr function call with a large numerical argument, which allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted HTML document.

At a glance

Exploitability

Can be exploited over the network without logging in. High risk of data exposure, data tampering, service disruption.

Exploit odds

8.5% chance of exploitation in the next 30 days (EPSS).

Fix

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

Timeline

1. 2009-06-10 18:00 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-16 23:07 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 8.5% in the next 30 days (EPSS).
• Severity: 9.3 HIGH (CVSS).
• Fix: a patch or advisory is linked.

Details

Published

2009-06-10 18:00 UTC

Last modified

2026-06-16 23:07 UTC

Exploit probability

8.5% · EPSS, next 30 days

Weakness

CWE-94 · Code injection

Record status

Modified

Affected

• Apple Safari ≤ 3.2.2
• Apple Safari 2.0
• Apple Safari 2.0.0
• Apple Safari 2.0.1
• Apple Safari 2.0.2
• Apple Safari 2.0.3
• Apple Safari 2.0.4
• Apple Safari 3.0

Attack profile CVSS 2.0 · 9.3

Attack vector

Network

Complexity

Medium

Authentication

None

Confidentiality

Complete

Integrity

Complete

Availability

Complete

Is it in your code?

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