CVE-2019-11930

critical

Description

An invalid free in mb_detect_order can cause the application to crash or potentially result in remote code execution. This issue affects HHVM versions prior to 3.30.12, all versions between 4.0.0 and 4.8.5, all versions between 4.9.0 and 4.23.1, as well as 4.24.0, 4.25.0, 4.26.0, 4.27.0, 4.28.0, and 4.28.1.

References

https://www.facebook.com/security/advisories/cve-2019-11930

https://hhvm.com/blog/2019/10/28/security-update.html

https://github.com/facebook/hhvm/commit/524d2e60cfe910406ec6109e4286d7edd545ab36

Details

Source: Mitre, NVD

Published: 2019-12-04

Updated: 2024-02-08

Risk Information

CVSS v2

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Severity: High

CVSS v3

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

EPSS: 0.02392