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CVE PROGRAM SOURCE RECORDUnscored

CVE-2021-24025

Due to incorrect string size calculations inside the preg_quote function, a large input string passed to the function can trigger an integer overflow leading to a heap overflow. Th

Description

Due to incorrect string size calculations inside the preg_quote function, a large input string passed to the function can trigger an integer overflow leading to a heap overflow. 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.

Affected products

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

Facebook HHVM

  • 4.98.1 to < unspecifiedunaffected
  • 4.98.0affected
  • 4.97.1 to < unspecifiedunaffected
  • 4.97.0affected
  • 4.96.1 to < unspecifiedunaffected
  • 4.96.0affected
  • 4.95.1 to < unspecifiedunaffected
  • 4.95.0affected
  • 4.94.1 to < unspecifiedunaffected
  • 4.94.0affected
  • 4.93.2 to < unspecifiedunaffected
  • 4.81.0 to < unspecifiedaffected
  • 4.80.2 to < unspecifiedunaffected
  • 4.57.0 to < unspecifiedaffected
  • 4.56.3 to < unspecifiedunaffected
  • unspecified to < 4.56.3affected

References