CVE-2007-2401: Apple Mac OS X

Medium severity, CVSS 4.3. EPSS: 7.1% chance of exploitation in the next 30 days.

CRLF injection vulnerability in WebCore in Apple Mac OS X 10.3.9, 10.4.9 and later, and iPhone before 1.0.1, allows remote attackers to inject arbitrary HTTP headers via LF characters in an XMLHttpRequest request, which are not filtered when serializing headers via the setRequestHeader function. NOTE: this issue can be leveraged for cross-site scripting (XSS) attacks.

Affected products

• Apple Mac OS X: version 10.3.9 only; version 10.4.9 only
• Apple Mac OS X Server: version 10.3.9 only; version 10.4.9 only

Published 2007-06-25. Last modified 2026-06-16.