CVEvulnerability

CVE-2019-11929

9.8 CRITICAL Published 2019-10-02 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2019-10-02
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-119

Description

Insufficient boundary checks when formatting numbers in number_format allows read/write access to out-of-bounds memory, potentially leading to remote code execution. This issue affects HHVM versions prior to 3.30.10, all versions between 4.0.0 and 4.8.5, all versions between 4.9.0 and 4.18.2, and versions 4.19.0, 4.19.1, 4.20.0, 4.20.1, 4.20.2, 4.21.0, 4.22.0, 4.23.0.

Affected configurations

• facebook hhvm (< 3.30.10) • facebook hhvm (>= 4.0.0 <= 4.8.5) • facebook hhvm (>= 4.9.0 <= 4.18.2) • facebook hhvm 4.19.0 • facebook hhvm 4.19.1 • facebook hhvm 4.20.0 • facebook hhvm 4.20.1 • facebook hhvm 4.20.2 • facebook hhvm 4.21.0 • facebook hhvm 4.22.0 • facebook hhvm 4.23.0

Related

Weakness · CWE (1)

  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer weakness

References