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LibRegex: Limit the number of nested capture groups allowed in BRE

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Found by OSS-Fuzz: https://oss-fuzz.com/testcase?key=4869334212673536
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Ali Mohammad Pur 2021-08-30 23:24:46 +04:30 • committed by Andreas Kling
commit 05c65f9b5d
Notes: sideshowbarker 2024-07-18 05:37:06 +09:00
2 changed files with 7 additions and 0 deletions
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Userland/Libraries/LibRegex/RegexParser.h
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@ -166,6 +166,7 @@ private:
constexpr static size_t number_of_addressable_capture_groups = 9;
size_t m_capture_group_minimum_lengths[number_of_addressable_capture_groups] { 0 };
bool m_capture_group_seen[number_of_addressable_capture_groups] { false };
size_t m_current_capture_group_depth { 0 };
};
class PosixExtendedParser final : public AbstractPosixParser {