Adobe Acrobat and Reader versions 2018.011.20058 and earlier, 2017.011.30099 and earlier, and 2015.006.30448 and earlier have an out-of-bounds read vulnerability. Successful exploitation could lead to information disclosure. Note: A different vulnerability than CVE-2018-19723.
https://helpx.adobe.com/security/products/acrobat/apsb18-34.html