Serhiy Storchaka <storch...@gmail.com> added the comment:

> +        # make sure the zip file isn't traversing out of the path
> +        if not targetpath.startswith(basepath):

Check is insufficient. basepath='/etc/asd', member.filename='../asdfgh'.

The issue10905 has relations with this issue.

P. S. Viewing patches in this issue is not working.

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