VULNERABILITY INTELLIGENCE

CVE-2020-1892

CVSS score8.1 HIGH
EPSS probability1.09%
CISA KEVNot currently listed
Published2020-03-03
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H

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.

Weakness classification

  • cve-assign@fb.com: CWE-125
  • nvd@nist.gov: CWE-125

Primary references