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LibMarkdown: Avoid catastrophic backtracking in thematic break regex

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Fixes #17937
This commit is contained in:
Tim Ledbetter 2023-04-12 17:52:12 +01:00 committed by Sam Atkins
parent 0abdffc33d
commit bebcf71bdc
Notes: sideshowbarker 2024-07-17 05:13:53 +09:00 
Author: https://github.com/tcl3
Commit: https://github.com/SerenityOS/serenity/commit/bebcf71bdc
Pull-request: https://github.com/SerenityOS/serenity/pull/18332
Issue: https://github.com/SerenityOS/serenity/issues/17937
1 changed files with 1 additions and 1 deletions
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2
Userland/Libraries/LibMarkdown/HorizontalRule.cpp
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@ -35,7 +35,7 @@ RecursionDecision HorizontalRule::walk(Visitor& visitor) const
return RecursionDecision::Continue;
}
static Regex<ECMA262> thematic_break_re("^ {0,3}([\\*\\-_])(\\s*\\1\\s*){2,}$");
static Regex<ECMA262> thematic_break_re("^ {0,3}([\\*\\-_])\\s*(\\1\\s*){2,}$");
OwnPtr<HorizontalRule> HorizontalRule::parse(LineIterator& lines)
{