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authorGuido van Rossum <guido@python.org>1998-12-23 21:58:38 (GMT)
committerGuido van Rossum <guido@python.org>1998-12-23 21:58:38 (GMT)
commit99e11315360d700ca7abb251e3a6774de6f46be1 (patch)
tree5c2cddd476443c4b2cd696d5254ca71c24fdc3a0 /Lib
parent2d3b0d725ac255c9c9caad7db5ae00489922ccf9 (diff)
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Avoid crash in parsedate_tz() on certain invalid dates -- when the
field assumed to be the time is in fact the year, the resulting list doesn't have enough items, and this isn't checked for. Return None instead.
Diffstat (limited to 'Lib')
-rw-r--r--Lib/rfc822.py4
1 files changed, 3 insertions, 1 deletions
diff --git a/Lib/rfc822.py b/Lib/rfc822.py
index 2e97ef4..b466fae 100644
--- a/Lib/rfc822.py
+++ b/Lib/rfc822.py
@@ -800,8 +800,10 @@ def parsedate_tz(data):
if len(tm) == 2:
[thh, tmm] = tm
tss = '0'
- else:
+ elif len(tm) == 3:
[thh, tmm, tss] = tm
+ else:
+ return None
try:
yy = string.atoi(yy)
dd = string.atoi(dd)