Adobe Acrobat and Reader versions 2020.006.20034 and earlier, 2017.011.30158 and earlier, 2017.011.30158 and earlier, 2015.006.30510 and earlier, and 2015.006.30510 and earlier have a memory address leak vulnerability. Successful exploitation could lead to information disclosure .
https://helpx.adobe.com/security/products/acrobat/apsb20-13.html