CVE-2020-1918

Published Mar 10, 2021 CVSS 3.1 · 7.5 High EPSS 1.2% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2020-12739 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.
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
facebook
Published
Updated
Aug 4, 2024, 6:53 AM
Reserved
Dec 2, 2019, 12:00 AM
Status
Modified
Published
Mar 10, 2021, 4:15 PM
Modified
Jun 17, 2026, 3:02 AM