From e37c932fca29d93af77b7a47cccc9bb8578e3163 Mon Sep 17 00:00:00 2001
From: fnord <fnord@fnord.mobi>
Date: Wed, 15 Jul 2015 15:13:56 -0500
Subject: [PATCH] compat_urllib_parse_unquote: crash fix: only decode valid hex
on python 2 the following has a { "crash_rate": "100%" } of the time
as it tries to parse '" ' as hex.
---
youtube_dl/compat.py | 2 ++
1 file changed, 2 insertions(+)
diff --git a/youtube_dl/compat.py b/youtube_dl/compat.py
index c3783337a..1f4ccf443 100644
--- a/youtube_dl/compat.py
+++ b/youtube_dl/compat.py
@@ -94,6 +94,8 @@ except ImportError:
try:
if not item:
raise ValueError
+ if not re.match('[0-9a-fA-F][0-9a-fA-F]',item[:2]):
+ raise ValueError
pct_sequence += item[:2].decode('hex')
rest = item[2:]
if not rest: