VULNERABILITY INTELLIGENCE

CVE-2020-1893

CVSS score7.5 HIGH
EPSS probability1.15%
CISA KEVNot currently listed
Published2020-03-03
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Description

Insufficient boundary checks when decoding JSON in TryParse reads out of bounds memory, potentially leading to 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