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.
Metrics
Affected Vendors & Products
References
History
No history.
MITRE
Status: PUBLISHED
Assigner: facebook
Published: 2021-03-10T15:50:28
Updated: 2024-08-04T06:53:59.798Z
Reserved: 2019-12-02T00:00:00
Link: CVE-2020-1918
Vulnrichment
No data.
NVD
Status : Modified
Published: 2021-03-10T16:15:14.377
Modified: 2024-11-21T05:11:36.647
Link: CVE-2020-1918
Redhat
No data.