ROS-20250825-04

A vulnerability in ASGI Starlette toolkit for creating asynchronous Python web services is related to blocking the main thread for transferring a file to disk. Exploitation of the vulnerability could allow an attacker acting remotely to cause a denial of service...

Linux Distros Unpatched Vulnerability : CVE-2025-54121

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Starlette is a lightweight ASGI Asynchronous Server Gateway Interface framework/toolkit, designed for building async web services in Python. In versions 0.47.1...

openSUSE Security Advisory (SUSE-SU-2025:02544-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2025 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

openSUSE 15 Security Update : python-starlette (SUSE-SU-2025:02544-1)

The remote openSUSE 15 host has a package installed that is affected by a vulnerability as referenced in the SUSE- SU-2025:02544-1 advisory. - CVE-2025-54121: Correctly parse multi-part form with large files to avoid DoS. bsc1246855 Tenable has extracted the preceding description block directly...

Security update for python-starlette

This update for python-starlette fixes the following issues: CVE-2025-54121: Correctly parse multi-part form with large files to avoid DoS. bsc1246855 Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST onlineupdate or "zypper patch"...

SUSE-SU-2025:02544-1 Security update for python-starlette

This update for python-starlette fixes the following issues: - CVE-2025-54121: Correctly parse multi-part form with large files to avoid DoS. bsc1246855...

Denial Of Service (DoS)

Starlette is vulnerable to Denial Of Service DoS. The vulnerability is due to blocking of the main event thread caused by improper handling of large multipart file uploads, where a bug in the UploadFile logic fails to anticipate memory rollover, blocking the application from accepting new...

Allocation of Resources Without Limits or Throttling

Overview starlette is a The little ASGI library that shines. Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling in the UploadFile.write method when handling multipart forms containing files larger than the default spoolmaxsize. An attacker can...

CVE-2025-54121

Starlette is a lightweight ASGI Asynchronous Server Gateway Interface framework/toolkit, designed for building async web services in Python. In versions 0.47.1 and below, when parsing a multi-part form with large files greater than the default max spool size starlette will block the main thread t...

DEBIAN-CVE-2025-54121

Starlette is a lightweight ASGI Asynchronous Server Gateway Interface framework/toolkit, designed for building async web services in Python. In versions 0.47.1 and below, when parsing a multi-part form with large files greater than the default max spool size starlette will block the main thread t...

UBUNTU-CVE-2025-54121

Starlette is a lightweight ASGI Asynchronous Server Gateway Interface framework/toolkit, designed for building async web services in Python. In versions 0.47.1 and below, when parsing a multi-part form with large files greater than the default max spool size starlette will block the main thread t...

CVE-2025-54121

Starlette is a lightweight ASGI Asynchronous Server Gateway Interface framework/toolkit, designed for building async web services in Python. In versions 0.47.1 and below, when parsing a multi-part form with large files greater than the default max spool size starlette will block the main thread t...

CVE-2025-54121

CVE-2025-54121 affects Starlette (Python, ASGI). In versions 0.47.1 and older, multipart form parsing of large files can cause the main event loop to stall while rolling the file to disk, because UploadFile incorrectly checks file-in-memory status and whether additional bytes trigger a rollover. ...

CVE-2025-54121 Starlette has possible denial-of-service vector when parsing large files in multipart forms

Starlette is a lightweight ASGI Asynchronous Server Gateway Interface framework/toolkit, designed for building async web services in Python. In versions 0.47.1 and below, when parsing a multi-part form with large files greater than the default max spool size starlette will block the main thread t...

CVE-2025-54121 Starlette has possible denial-of-service vector when parsing large files in multipart forms

Starlette is a lightweight ASGI Asynchronous Server Gateway Interface framework/toolkit, designed for building async web services in Python. In versions 0.47.1 and below, when parsing a multi-part form with large files greater than the default max spool size starlette will block the main thread t...

CVE-2025-54121 Starlette has possible denial-of-service vector when parsing large files in multipart forms

Starlette is a lightweight ASGI Asynchronous Server Gateway Interface framework/toolkit, designed for building async web services in Python. In versions 0.47.1 and below, when parsing a multi-part form with large files greater than the default max spool size starlette will block the main thread t...

CVE-2025-54121

Starlette is a lightweight ASGI Asynchronous Server Gateway Interface framework/toolkit, designed for building async web services in Python. In versions 0.47.1 and below, when parsing a multi-part form with large files greater than the default max spool size starlette will block the main thread t...

GHSA-2C2J-9GV5-CJ73 Starlette has possible denial-of-service vector when parsing large files in multipart forms

Summary When parsing a multi-part form with large files greater than the default max spool size starlette will block the main thread to roll the file over to disk. This blocks the event thread which means we can't accept new connections. Details Please see this discussion for details:...

CVE-2025-54121: Allocation of Resources Without Limits or Throttling

Starlette is a lightweight ASGI Asynchronous Server Gateway Interface framework/toolkit, designed for building async web services in Python. In versions 0.47.1 and below, when parsing a multi-part form with large files greater than the default max spool size starlette will block the main thread t...

PT-2025-30341

Name of the Vulnerable Software and Affected Versions Starlette versions 0.47.1 and below Description Starlette is a lightweight ASGI framework/toolkit for building async web services in Python. When parsing multi-part forms with large files exceeding the default maximum spool size, Starlette...