CVE-2018-6334

Published December 31st, 2018

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CVSS v3

9.8

CRITICAL

CVSS v2

7.5

HIGH

Affected

PROJECT

Description

Multipart-file uploads call variables to be improperly registered in the global scope. In cases where variables are not declared explicitly before being used this can lead to unexpected behavior. This affects all supported versions of HHVM prior to the patch (3.25.1, 3.24.5, and 3.21.9 and below).

facebook/hhvm

A virtual machine for executing programs written in Hack.

GitHub

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