CVEvulnerability

CVE-2020-1919

7.5 HIGH Published 2021-03-10 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2021-03-10
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS 2.0 ([email protected])
5.0 MEDIUM — AV:N/AC:L/Au:N/C:P/I:N/A:N
Weaknesses
CWE-125

Description

Incorrect bounds calculations in substr_compare could lead to an out-of-bounds read when the second string argument passed in is longer than the first. This issue affects HHVM versions prior to 4.56.3, all versions between 4.57.0 and 4.80.1, all versions between 4.81.0 and 4.93.1, and versions 4.94.0, 4.95.0, 4.96.0, 4.97.0, 4.98.0.

Affected configurations

• facebook hhvm (< 4.56.3) • facebook hhvm (>= 4.57.0 < 4.80.2) • facebook hhvm (>= 4.81.0 < 4.93.2) • facebook hhvm 4.94.0 • facebook hhvm 4.95.0 • facebook hhvm 4.96.0 • facebook hhvm 4.97.0 • facebook hhvm 4.98.0

Related

Weakness · CWE (1)

  • CWE-125 Out-of-bounds Read weakness

References