The (1) extract_keys_from_pdf and (2) fill_pdf functions in pdf_ext.py in logilab-commons before 0.61.0 allows local users to overwrite arbitrary files and possibly have other unspecified impact via a symlink attack on /tmp/toto.fdf.
"https://github.com/pypa/advisory-database/blob/main/vulns/logilab-common/PYSEC-2014-83.yaml"