Critical security update for Adobe Reader and Acrobat

Adobe has issued a security bulletin urging users of its Adobe PDF Reader and Acrobat products to update their software before hackers take advantage of two critical vulnerabilities.

Adobe Reader 9.3 for Windows, Macintosh and UNIX, Adobe Acrobat 9.3 for Windows and Macintosh, and Adobe Reader 8.2 and Acrobat 8.2 for Windows and Macintosh are vulnerable to a flaw that could be exploited by hackers to make unauthorised cross-domain requests. This same vulnerability was revealed in Adobe Flash Player last week.

Meanwhile, another flaw could give hackers an opportunity to inject malicious code onto computers via vulnerable installations of Reader and Acrobat.

As we’ve mentioned many times before, it’s essential that you keep your installations of Adobe’s software up-to-date…

Read more in my article on the Naked Security website.

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Graham Cluley •   @gcluley

Graham Cluley is a veteran of the cybersecurity industry, having worked for a number of security companies since the early 1990s when he wrote the first ever version of Dr Solomon's Anti-Virus Toolkit for Windows. Now an independent analyst, he regularly makes media appearances and is an international public speaker on the topic of cybersecurity, hackers, and online privacy. Follow him on Twitter, Mastodon, Bluesky, or drop him an email.