CVE-2017-5469: Mozilla: Potential Buffer overflow in flex-generated code (MFSA 2017-11, MFSA 2017-12)

Severity: Critical

CVSS Score: 9.8

Fixed potential buffer overflows in generated Firefox code due to CVE-2016-6354 issue in Flex. This vulnerability affects Thunderbird < 52.1, Firefox ESR < 45.9, Firefox ESR < 52.1, and Firefox < 53.