Adobe investigates PDF Reader zero-day vulnerability reports

Graham Cluley
Graham Cluley
@[email protected]

In a brief blog post, Adobe’s security team has said that it is investigating reports of a brand new zero-day vulnerability affecting its Adobe Reader and Acrobat XI (11.0.1) products.

The concern is related to a blog post by security firm Fireeye who yesterday claimed to have uncovered a PDF zero-day vulnerability being exploited in the wild to infect computers.

Unfortunately, details in Fireeye’s blog post are scant – and so it’s currently impossible for SophosLabs to confirm if this is a genuine zero-day threat.

Nevertheless it would be sensible for all computer users to be extremely cautious about opening unsolicited PDF files. In fact, that’s good advice all year around – not just when there are rumours of a new unpatched vulnerability in Adobe’s software…

Read more in my article on the Naked Security website.

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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.

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