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 allows remote attackers to
execute arbitrary code or cause a denial of service (application
crash) by destroying a document.body element that has an unspecified
XML container with elements that support the dir attribute.
Note:References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
BUGTRAQ:20090608 ZDI-09-033: Apple WebKit dir Attribute Freeing Dangling Object Pointer Vulnerability
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