WebKit before r41741, as used in Apple iPhone OS 1.0 through 2.2.1, iPhone OS for iPod touch 1.1 through 2.2.1, Safari, and other software, allows remote attackers to cause a denial of service (memory consumption or device reset) via a web page containing an HTMLSelectElement object with a large length attribute, related to the length property of a Select object. (CVSS:7.1) (Last Update:2012-03-30)

The XSL stylesheet implementation in 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 properly handle XML external entities, which allows remote attackers to read arbitrary files via a crafted DTD, as demonstrated by a file:///etc/passwd URL in an entity declaration, related to an “XXE attack.” (CVSS:7.1) (Last Update:2012-03-30)

Stack-based buffer overflow in Apple iTunes before 8.2 allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via an itms: URL with a long URL component after a colon. (CVSS:9.3) (Last Update:2013-11-02)