CVE-2017-20005: nginx: buffer overflow in ngx_gmtime() triggered by 5 digit years

Severity: Critical

CVSS Score: 9.8

NGINX before 1.13.6 has a buffer overflow for years that exceed four digits, as demonstrated by a file with a modification date in 1969 that causes an integer overflow (or a false modification date far in the future), when encountered by the autoindex module.