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**Name of the Vulnerable Software and Affected Versions** Apple Safari on iPhone OS version 3.0.1 **Description** The issue allows remote attackers to cause a denial of service, resulting in an application crash. This can be achieved by using a long `tel:` URL in the `SRC` attribute of an `IFRAME` element. **Recommendations** For iPhone OS version 3.0.1, consider avoiding the use of long `tel:` URLs in the `SRC` attribute of `IFRAME` elements to minimize the risk of application crash until a fix is available.