In the crypt function, we attempt to null terminate a buffer using the size of the input salt without validating that the offset is within the 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.
                
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Affected Vendors & Products
References
        History
                    No history.
 MITRE
                        MITRE
                    Status: PUBLISHED
Assigner: facebook
Published:
Updated: 2024-08-04T06:54:00.475Z
Reserved: 2019-12-02T00:00:00
Link: CVE-2020-1921
 Vulnrichment
                        Vulnrichment
                    No data.
 NVD
                        NVD
                    Status : Modified
Published: 2021-03-10T16:15:14.547
Modified: 2024-11-21T05:11:37.023
Link: CVE-2020-1921
 Redhat
                        Redhat
                    No data.