View at Official suse advisory, NVD, CVE.org · CVE detail
Freshness: upstream tracker timestamp is available; use API updated time as primary recency signal.
CVE-2023-46136 severity important: SUSE including 8 source package names (python-Werkzeug, python2-Werkzeug, …), 60 product×package rows across 36 product lines (HPE Helion OpenStack 8, SUSE CaaS Platform 4.0, … (36 product lines)): Known Not Affected 49, Fixed 11.
Werkzeug is a comprehensive WSGI web application library. If an upload of a file that starts with CR or LF and then is followed by megabytes of data without these characters: all of these bytes are appended chunk by chunk into internal bytearray and lookup for boundary is performed on growing buffer. This allows an attacker to cause a denial of service by sending crafted multipart data to an endpoint that will parse it. The amount of CPU time required can block worker processes from handling legitimate requests. This vulnerability has been patched in version 3.0.1.