diff options
Diffstat (limited to 'Lib/zipfile.py')
| -rw-r--r-- | Lib/zipfile.py | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/Lib/zipfile.py b/Lib/zipfile.py index 6201edc8d73..6504e0eee8b 100644 --- a/Lib/zipfile.py +++ b/Lib/zipfile.py @@ -480,14 +480,26 @@ class ZipInfo (object): # ZIP64 extension (large files and/or large archives) if self.file_size in (0xffffffffffffffff, 0xffffffff): + if len(counts) <= idx: + raise BadZipFile( + "Corrupt zip64 extra field. File size not found." + ) self.file_size = counts[idx] idx += 1 if self.compress_size == 0xFFFFFFFF: + if len(counts) <= idx: + raise BadZipFile( + "Corrupt zip64 extra field. Compress size not found." + ) self.compress_size = counts[idx] idx += 1 if self.header_offset == 0xffffffff: + if len(counts) <= idx: + raise BadZipFile( + "Corrupt zip64 extra field. Header offset not found." + ) old = self.header_offset self.header_offset = counts[idx] idx+=1 |