What the vulnerability does

01Description

The Memcache::getextendedstats function can be used to trigger an out-of-bounds read. Exploiting this issue requires control over memcached server hostnames and/or ports. This affects all supported versions of HHVM (3.30 and 3.27.4 and below).

Key dates

02Disclosure timeline

December 31, 2018 CVE published
May 6, 2025 Record updated