PYSEC-2026-3071 Soup Sieve has Memory Exhaustion via Large Comma-Separated Selector Lists

Summary The CSS selector parser in soupsieve the CSS selector engine for Beautiful Soup 4 allocates unbounded memory when compiling large comma-separated selector lists. An attacker who can supply a crafted CSS selector string to soupsieve.compile or Beautiful Soup's .select / .selectone can caus...

Linux Distros Unpatched Vulnerability : CVE-2021-33587

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - The css-what package 4.0.0 through 5.0.0 for Node.js does not ensure that attribute parsing has Linear Time Complexity relative to the size of the input...

The vulnerability of the CSS parser for Node.js’s css-tools arises from insufficient validation of input data, allowing attackers to trigger a service failure.

The vulnerability of the CSS parser for Node.js’s css-tools is related to insufficient validation of input data. Exploiting this vulnerability could allow a remote attacker to cause service failures...

UBUNTU-CVE-2021-33587

The css-what package 4.0.0 through 5.0.0 for Node.js does not ensure that attribute parsing has Linear Time Complexity relative to the size of the input...