CVE-2010-1791

What it is

Integer signedness error in WebKit in Apple Safari before 5.0.1 on Mac OS X 10.5 through 10.6 and Windows, and before 4.1.1 on Mac OS X 10.4, allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via vectors involving a JavaScript array index.

At a glance

Exploitability

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

Exploit odds

6.0% chance of exploitation in the next 30 days (EPSS).

Fix

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

Timeline

1. 2010-07-30 20:30 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-16 23:19 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 6.0% in the next 30 days (EPSS).
• Severity: 9.3 HIGH (CVSS).
• Fix: a patch or advisory is linked.

Details

Published

2010-07-30 20:30 UTC

Last modified

2026-06-16 23:19 UTC

Exploit probability

6.0% · EPSS, next 30 days

Weakness

CWE-189

Record status

Modified

Affected

• Apple Safari ≤ 5.0
• 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 Safari 4.0.5

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?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

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