Security Advisory
CVE-2019-11759
8.8
HIGH
Vulnerability Description
An attacker could have caused 4 bytes of HMAC output to be written past the end of a buffer stored on the stack. This could be used by an attacker to execute arbitrary code or more likely lead to a crash. This vulnerability affects Firefox < 70, Thunderbird < 68.2, and Firefox ESR < 68.2.
Published Date
January 8, 2020
Official Source
NIST NVD Advisory