Description
Passing an attacker controlled size when creating an IOBuf could cause integer overflow, leading to an out of bounds write on the heap with the possibility of remote code execution. This issue affects versions of folly prior to v2021.07.22.00. This issue affects HHVM versions prior to 4.80.5, all versions between 4.81.0 and 4.102.1, all versions between 4.103.0 and 4.113.0, and versions 4.114.0, 4.115.0, 4.116.0, 4.117.0, 4.118.0 and 4.118.1.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
Facebook folly
v2021.07.22.00 to < unspecifiedunaffectedunspecified to < v2021.07.22.00affected
Facebook HHVM
4.118.2 to < unspecifiedunaffected4.118.0 to < unspecifiedaffected4.117.1 to < unspecifiedunaffected4.117.0affected4.116.1 to < unspecifiedunaffected4.116.0affected4.115.1 to < unspecifiedunaffected4.115.0affected4.114.1 to < unspecifiedunaffected4.114.0affected4.113.1 to < unspecifiedunaffected4.113.0affected4.102.2 to < unspecifiedunaffected4.102.0 to < unspecifiedaffected4.81.0 to < unspecifiedaffected4.80.5 to < unspecifiedunaffectedunspecified to < 4.80.5affected