The get_repeat_type function in basic_regex_creator.hpp in the Boost regex library (aka Boost.Regex) in Boost 1.33 and 1.34 allows context-dependent attackers to cause a denial of service (NULL dereference and crash) via an invalid regular expression.
| Software | From | Fixed in |
|---|---|---|
| boost / boost | 1.33 | 1.33.x |
| boost / boost | 1.34 | 1.34.x |