Fix slow multipart parsing for large parts potentially enabling DoS attacks (CVE-2023-46136): https://github.com/pallets/werkzeug/security/advisories/GHSA-hrfv-mqp8-q5rw https://werkzeug.palletsprojects.com/en/2.3.x/changes/#version-2-3-8 Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>