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Apple plugs staggering number of holes in Safari browser

The Safari update fixes a staggering 121 vulnerabilities, 117 of those flaws in WebKit, a browser engine designed to render HTML webpages. Most of the WebKit vulnerabilities could result in an unexpected application termination or arbitrary code execution if the user visits a maliciously created website, according to the security update.

Apple also patched two issues with the handling of feed:// URLs – one is a cross-site scripting vulnerability that could be exploited if a user visited a maliciously crafted site, and the other is an access control issue that could be exploited to send files from a user’s system to a remote server.

Another Safari fix resolves a problem in which passwords may autocomplete even when the site specifies that autocomplete should be disabled.

Apple also fixed a cross-site scripting flaw with Safari downloads. “An issue existed in Safari's support for the 'attachment' value for the HTTP Content-Disposition header. This header is used by many websites to serve files that were uploaded to the site by a third-party, such as attachments in web-based e-mail applications. Any script in files served with this header value would run as if the file had been served inline, with full access to other resources on the origin server. This issue is addressed by downloading resources served with this header, rather than displaying them inline”, the advisory explained.
 

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