Variable Extraction Error

The product uses external input to determine the names of variables into which information is extracted, without verifying that the names of the specified variables are valid. This could cause the program to overwrite unintended variables.

CVEs (1)

CVE VENDORS PRODUCTS UPDATED PUBLISHED CVSS
CVE-2018-6334 1Facebook 1Hhvm Jun 17, 2026 Dec 31, 2018 N/A· v4 9.8 CRITICAL· v3 7.5 HIGH· v2 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 support...Show more 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).Show less

CVE

VENDORS

PRODUCTS

UPDATED

PUBLISHED

CVSS

CVE-2018-6334

1Facebook

1Hhvm

Jun 17, 2026

Dec 31, 2018

N/A· v4

9.8 CRITICAL· v3

7.5 HIGH· v2

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 support...Show more