Security update for python-python-multipart (important)

openSUSE security update: security update for python-python-multipart ------------------------------------------------------------- Announcement ID: openSUSE-SU-2026:21066-1 Rating: important References: bsc1268488 bsc1268496 bsc1268500 bsc1268506 Cross-References: CVE-2026-53537 CVE-2026-53538...

python-multipart: Content-Disposition parameter smuggling via RFC 2231/5987 extended parameters

Summary parseoptionsheader parsed Content-Disposition and Content-Type headers with email.message.Message, which transparently applies RFC 2231/5987 decoding. The extended parameter syntax filename=charset'lang'value, name=..., and the filename0/filename1 continuation form is decoded and surfaced...