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CVE PROGRAM SOURCE RECORDUnscored

CVE-2020-1900

When unserializing an object with dynamic properties HHVM needs to pre-reserve the full size of the dynamic property array before inserting anything into it. Otherwise the array mi

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Status
Published
Published
Updated
Assigning organization
facebook

Description

When unserializing an object with dynamic properties HHVM needs to pre-reserve the full size of the dynamic property array before inserting anything into it. Otherwise the array might resize, invalidating previously stored references. This pre-reservation was not occurring in HHVM prior to v4.32.3, between versions 4.33.0 and 4.56.0, 4.57.0, 4.58.0, 4.58.1, 4.59.0, 4.60.0, 4.61.0, 4.62.0.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Facebook HHVM

  • 4.62.1 to < unspecifiedunaffected
  • 4.62.0affected
  • 4.61.1 to < unspecifiedunaffected
  • 4.61.0affected
  • 4.60.1 to < unspecifiedunaffected
  • 4.60.0affected
  • 4.59.1 to < unspecifiedunaffected
  • 4.59.0affected
  • 4.58.2 to < unspecifiedunaffected
  • 4.58.0 to < unspecifiedaffected
  • 4.57.1 to < unspecifiedunaffected
  • 4.57.0affected
  • 4.56.1 to < unspecifiedunaffected
  • 4.33.0 to < unspecifiedaffected
  • 4.32.3 to < unspecifiedunaffected
  • unspecified to < 4.32.3affected

References