Adobe has released their monthly security updates that fix vulnerabilities in Acrobat, Reader, Photoshop CC, Bracket, and ColdFusion. Acrobat and Reader get the lion’s share of vulnerability fixes with 14 Critical code execution and 7 Important vulnerabilities. The other products updated today also contain critical code execution bugs, but they individually have far less reported vulnerabilities than Acrobat. All users are advised to install the applicable updates as soon as possible to resolve these vulnerabilities. Of the 21 fixed vulnerabilities, 14 are classified as Critical because they could lead to arbitrary code execution.
Source: https://www.bleepingcomputer.com/news/security/adobe-releases-their-december-2019-security-updates/