Unity Linux 20.1050e / 20.1070e Security Update: python-waitress (UTSA-2026-016504)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-016504 advisory. Waitress is a Web Server Gateway Interface server for Python 2 and 3. When a remote client closes the connection before waitress has had the opportunity to call...

waitress: Waitress has a denial of service leading to high CPU usage/resource exhaustion

A flaw was found in the Waitress WSGI server for Python. When a remote client closes the connection before waitress has had the opportunity to call getpeername, waitress will incorrectly clean up the connection, leading to the main thread attempting to write to a socket that no longer exists, and...

waitress: Waitress has a denial of service leading to high CPU usage/resource exhaustion

A flaw was found in the Waitress WSGI server for Python. When a remote client closes the connection before waitress has had the opportunity to call getpeername, waitress will incorrectly clean up the connection, leading to the main thread attempting to write to a socket that no longer exists, and...

PYSEC-2024-211

Waitress is a Web Server Gateway Interface server for Python 2 and 3. When a remote client closes the connection before waitress has had the opportunity to call getpeername waitress won't correctly clean up the connection leading to the main thread attempting to write to a socket that no longer...

UBUNTU-CVE-2024-49769

Waitress is a Web Server Gateway Interface server for Python 2 and 3. When a remote client closes the connection before waitress has had the opportunity to call getpeername waitress won't correctly clean up the connection leading to the main thread attempting to write to a socket that no longer...

Missing Release of Resource after Effective Lifetime

Overview waitress is a production-quality pure-Python WSGI server with very acceptable performance. Affected versions of this package are vulnerable to Missing Release of Resource after Effective Lifetime due to the improper handling of socket connections when a remote client prematurely closes t...

CVE-2021-22999

On versions 15.0.x before 15.1.0 and 14.1.x before 14.1.4, the BIG-IP system provides an option to connect HTTP/2 clients to HTTP/1.x servers. When a client is slow to accept responses and it closes a connection prematurely, the BIG-IP system may indefinitely retain some streams unclosed. Note:...