CVEvulnerability

CVE-2020-1892

8.1 HIGH Published 2020-03-03 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2020-03-03
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
8.1 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
CVSS 2.0 ([email protected])
6.4 MEDIUM — AV:N/AC:L/Au:N/C:P/I:N/A:P
Weaknesses
CWE-125

Description

Insufficient boundary checks when decoding JSON in JSON_parser allows read access to out of bounds memory, potentially leading to information leak and DOS. This issue affects HHVM 4.45.0, 4.44.0, 4.43.0, 4.42.0, 4.41.0, 4.40.0, 4.39.0, versions between 4.33.0 and 4.38.0 (inclusive), versions between 4.9.0 and 4.32.0 (inclusive), and versions prior to 4.8.7.

Affected configurations

• facebook hhvm (< 4.8.7) • facebook hhvm (>= 4.9.0 <= 4.32.0) • facebook hhvm (>= 4.33.0 <= 4.38.0) • facebook hhvm 4.39.0 • facebook hhvm 4.40.0 • facebook hhvm 4.41.0 • facebook hhvm 4.42.0 • facebook hhvm 4.43.0 • facebook hhvm 4.44.0 • facebook hhvm 4.45.0

Related

Weakness · CWE (1)

  • CWE-125 Out-of-bounds Read weakness

References