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| author | Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com> | 2019-12-09 02:12:50 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2019-12-09 02:12:50 (GMT) |
| commit | 2abd3a8f580e6c7b1ce88b2ae9f9a783f4aea5d3 (patch) | |
| tree | fa0a5235b5e76c5548cc961b70dab10adda146ea /Lib/email | |
| parent | f66f4a09d0b6817fe6a86a567fd506aa223f1563 (diff) | |
| download | cpython-2abd3a8f580e6c7b1ce88b2ae9f9a783f4aea5d3.zip cpython-2abd3a8f580e6c7b1ce88b2ae9f9a783f4aea5d3.tar.gz cpython-2abd3a8f580e6c7b1ce88b2ae9f9a783f4aea5d3.tar.bz2 | |
bpo-38708: email: Fix a potential IndexError when parsing Message-ID (GH-17504)
Fix a potential IndexError when passing an empty value to the message-id
parser. Instead, HeaderParseError should be raised.
(cherry picked from commit 3ae4ea1931361dd2743e464790e739d9285501bf)
Co-authored-by: Abhilash Raj <maxking@users.noreply.github.com>
Diffstat (limited to 'Lib/email')
| -rw-r--r-- | Lib/email/_header_value_parser.py | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/Lib/email/_header_value_parser.py b/Lib/email/_header_value_parser.py index cb01322..9c55ef7 100644 --- a/Lib/email/_header_value_parser.py +++ b/Lib/email/_header_value_parser.py @@ -2047,7 +2047,7 @@ def get_msg_id(value): no-fold-literal = "[" *dtext "]" """ msg_id = MsgID() - if value[0] in CFWS_LEADER: + if value and value[0] in CFWS_LEADER: token, value = get_cfws(value) msg_id.append(token) if not value or value[0] != '<': |