CVE-2010-1397

What it is

Use-after-free vulnerability in WebKit in Apple Safari before 5.0 on Mac OS X 10.5 through 10.6 and Windows, and before 4.1 on Mac OS X 10.4, allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via vectors related to a layout change during selection rendering and the DOCUMENT_POSITION_DISCONNECTED attribute in a container of an unspecified type.

At a glance

Exploitability

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

Exploit odds

8.7% chance of exploitation in the next 30 days (EPSS).

Fix

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

Timeline

1. 2010-06-11 18:00 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-16 23:18 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 8.7% in the next 30 days (EPSS).
• Severity: 9.3 HIGH (CVSS).
• Fix: a patch or advisory is linked.

Details

Published

2010-06-11 18:00 UTC

Last modified

2026-06-16 23:18 UTC

Exploit probability

8.7% · EPSS, next 30 days

Weakness

CWE-399

Record status

Modified

Affected

• Apple Safari ≤ 4.0.5
• Apple Safari 4.0
• Apple Safari 4.0.0b
• Apple Safari 4.0.1
• Apple Safari 4.0.2
• Apple Safari 4.0.3
• Apple Safari 4.0.4
• Apple Webkit

Attack profile CVSS 2.0 · 9.3

Attack vector

Network

Complexity

Medium

Authentication

None

Confidentiality

Complete

Integrity

Complete

Availability

Complete

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