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-rw-r--r--gnu/packages/patches/python2-CVE-2018-1061.patch20
1 files changed, 20 insertions, 0 deletions
diff --git a/gnu/packages/patches/python2-CVE-2018-1061.patch b/gnu/packages/patches/python2-CVE-2018-1061.patch
new file mode 100644
index 0000000000..6caab24b4d
--- /dev/null
+++ b/gnu/packages/patches/python2-CVE-2018-1061.patch
@@ -0,0 +1,20 @@
+Fix CVE-2018-1061:
+
+https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-1061
+
+Taken from upstream commit (sans test and NEWS):
+https://github.com/python/cpython/commit/e052d40cea15f582b50947f7d906b39744dc62a2
+
+diff --git a/Lib/difflib.py b/Lib/difflib.py
+index 1c6fbdbedcb7..788a92df3f89 100644
+--- a/Lib/difflib.py
++++ b/Lib/difflib.py
+@@ -1103,7 +1103,7 @@ def _qformat(self, aline, bline, atags, btags):
+
+ import re
+
+-def IS_LINE_JUNK(line, pat=re.compile(r"\s*#?\s*$").match):
++def IS_LINE_JUNK(line, pat=re.compile(r"\s*(?:#\s*)?$").match):
+ r"""
+ Return 1 for ignorable line: iff `line` is blank or contains a single '#'.
+