CVEvulnerability

CVE-2019-11930

9.8 CRITICAL Published 2019-12-04 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2019-12-04
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected])
7.5 HIGH — AV:N/AC:L/Au:N/C:P/I:P/A:P
Weaknesses
CWE-763

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.

Affected configurations

• facebook hhvm (< 3.30.12) • facebook hhvm (>= 4.0.0 <= 4.8.5) • facebook hhvm (>= 4.9.0 <= 4.23.1) • facebook hhvm 4.24.0 • facebook hhvm 4.25.0 • facebook hhvm 4.26.0 • facebook hhvm 4.27.0 • facebook hhvm 4.28.0 • facebook hhvm 4.28.1

Related

Weakness · CWE (1)

  • CWE-763 Release of Invalid Pointer or Reference weakness

Referenced by CWE · observed example (2)

  • CWE-761 Free of Pointer not at Start of Buffer weakness
  • CWE-763 Release of Invalid Pointer or Reference weakness

References