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by John W. Simek, Vice President of Sensei Enterprises, Inc.

Acrobat Users – Update Now

January 7, 2019

Normally, Adobe releases fixes around the middle of the month to coordinate with Microsoft’s Patch Tuesday. However, there have been more out-of-band releases recently. Adobe just released such patches to fix some critical vulnerabilities. One fix is for a use-after-free bug that could be exploited to take control of a target system by using a maliciously crafted PDF. The second fix is for a security bypass targeting JavaScript API restrictions on Adobe Reader DC. If you are a user of Acrobat or Reader, apply the patches now.

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