Adobe has warned of a serious flaw affecting its widely used PDF document reader Acrobat Reader.
The flaw allows attackers to take over users’ PCs through the spreading of malicious PDF documents via e-mail attachments and web links.
Users of Acrobat Reader 5.x for Unix and Linux are affected. Adobe recently expanded its support for Linux by launching a more up-to-date Acrobat Reader 7.0 for the operating system.
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The vulnerability involves a buffer overflow being created in Acrobat Reader, which can be exploited by remote hackers to run their own code on the user’s machine.
The flaw was discovered by security research firm iDefence. Adobe says affected users should upgrade to Acrobat Reader 7.0.