NetSight
high8.1

CVE-2020-1892

Insufficient boundary checks when decoding JSON in JSON_parser allows read access to out of bounds memory, potentially leading to information leak and DOS.

Impact

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 products

VendorProductAffected versions
FacebookHhvm
before 4.8.7
from 4.9.0 through 4.32.0
from 4.33.0 through 4.38.0
Versions 4.39.0, 4.40.0, 4.41.0

Weakness classification

References