File CVE-2022-40899-ReDos-cookiejar.patch of Package python3

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File CVE-2022-40899-ReDos-cookiejar.patch of Package python3 (Revision 85cda42d9ff3cd497f1fb25e87de08d2)

Currently displaying revision 85cda42d9ff3cd497f1fb25e87de08d2 , Show latest

Index: Python-3.4.10/Lib/http/cookiejar.py
===================================================================
--- Python-3.4.10.orig/Lib/http/cookiejar.py
+++ Python-3.4.10/Lib/http/cookiejar.py
@@ -213,10 +213,14 @@ LOOSE_HTTP_DATE_RE = re.compile(
        (?::(\d\d))?    # optional seconds
     )?                 # optional clock
        \s*
-    ([-+]?\d{2,4}|(?![APap][Mm]\b)[A-Za-z]+)? # timezone
+    (?:
+       ([-+]?\d{2,4}|(?![APap][Mm]\b)[A-Za-z]+) # timezone
        \s*
-    (?:$\w+$)?       # ASCII representation of timezone in parens.
-       \s*$""", re.X | re.ASCII)
+    )?
+    (?:
+       $\w+$         # ASCII representation of timezone in parens.
+       \s*
+    )?$""", re.X | re.ASCII)
 def http2time(text):
     """Returns time in seconds since epoch of time represented by a string.
 
@@ -274,7 +278,7 @@ def http2time(text):
     return _str2time(day, mon, yr, hr, min, sec, tz)
 
 ISO_DATE_RE = re.compile(
-    """^
+    r"""^
     (\d{4})              # year
        [-\/]?
     (\d\d?)              # numerical month
@@ -286,9 +290,11 @@ ISO_DATE_RE = re.compile(
       (?::?(\d\d(?:\.\d*)?))?  # optional seconds (and fractional)
    )?                    # optional clock
       \s*
-   ([-+]?\d\d?:?(:?\d\d)?
-    |Z|z)?               # timezone  (Z is "zero meridian", i.e. GMT)
-      \s*$""", re.X | re. ASCII)
+   (?:
+      ([-+]?\d\d?:?(:?\d\d)?
+       |Z|z)             # timezone  (Z is "zero meridian", i.e. GMT)
+      \s*
+   )?$""", re.X | re. ASCII)
 def iso2time(text):
     """
     As for http2time, but parses the ISO 8601 formats:

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File CVE-2022-40899-ReDos-cookiejar.patch of Package python3 (Revision 85cda42d9ff3cd497f1fb25e87de08d2)

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