Buffer overflow in Facebook Hhvm

CVE-2020-1916

An incorrect size calculation in ldap_escape may lead to an integer overflow when overly long input is passed in, resulting in an out-of-bounds write. This issue affects HHVM prior to 4.56.2, all versions between 4.57.0 and 4.78.0, 4.79.0…

Vulnerability class: Buffer Overflow

EPSS: 0.008 (74.5th percentile) — read the EPSS interpretation.