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CVE-2020-1892

nvd nist
Published: Mar 3, 2020Modified: Jun 17, 2026

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8.1
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
Exploitability: 2.8 / Impact: 5.2
Source: NVD

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 (10)

Products: Facebook: Hhvm
1 product
Hhvm
Configuration A
10 vulnerable
Vulnerable SoftwareAffected Versions
Facebook
Before 4.8.7
From 4.33.0 to 4.38.0
From 4.9.0 to 4.32.0
Version 4.39.0
Version 4.40.0
Version 4.41.0
Version 4.42.0
Version 4.43.0
Version 4.44.0
Version 4.45.0

References (4)

Source: cve-assign@fb.com
Vendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory

Timeline

No history available yet.