23 lines
879 B
Diff
23 lines
879 B
Diff
From faa011b41f7141121546045925d809d54e70f5fd Mon Sep 17 00:00:00 2001
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From: Kevin Backhouse <kevinbackhouse@github.com>
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Date: Fri, 15 Oct 2021 15:21:37 +0100
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Subject: [PATCH] Fix ReDoS in regex.
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---
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Lib/ldap/schema/tokenizer.py | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/Lib/ldap/schema/tokenizer.py b/Lib/ldap/schema/tokenizer.py
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index 69823f2b..623b86d5 100644
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--- a/Lib/ldap/schema/tokenizer.py
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+++ b/Lib/ldap/schema/tokenizer.py
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@@ -13,7 +13,7 @@
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r"|" # or
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r"([^'$()\s]+)" # string of length >= 1 without '$() or whitespace
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r"|" # or
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- r"('(?:[^'\\]|\\\\|\\.)*?'(?!\w))"
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+ r"('(?:[^'\\]|\\.)*'(?!\w))"
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# any string or empty string surrounded by unescaped
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# single quotes except if right quote is succeeded by
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# alphanumeric char
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