hhvm before 3.12.11 has a use-after-free in the serialize_memoize_param() and ResourceBundle::__construct() functions.
https://security-tracker.debian.org/tracker/CVE-2016-1000006
https://people.canonical.com/~ubuntu-security/cve/2016/CVE-2016-1000006.html
https://www.mail-archive.com/debian-devel-changes%40lists.debian.org/msg506329.html
Source: Mitre, NVD
Published: 2019-11-19
Updated: 2023-11-07
Base Score: 7.5
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P
Severity: High
Base Score: 9.8
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity: Critical
EPSS: 0.00608