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CVE-2020-1918

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CVE-2020-1918

Published: Mar 10, 2021

Modified: Aug 4, 2024

PUBLISHED

Description

In-memory file operations (ie: using fopen on a data URI) did not properly restrict negative seeking, allowing for the reading of memory prior to the in-memory buffer. This issue affects HHVM versions prior to 4.56.3, all versions between 4.57.0 and 4.80.1, all versions between 4.81.0 and 4.93.1, and versions 4.94.0, 4.95.0, 4.96.0, 4.97.0, 4.98.0.

VendorProductVersions

Facebook

HHVM

unaffected
4.98.1 - < unspecified
affected
4.98.0
unaffected
4.97.1 - < unspecified
affected
4.97.0
unaffected
4.96.1 - < unspecified

+11 more versions

Weaknesses (CWE)

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