DEBIAN-CVE-2026-49476

Soup Sieve is a CSS selector library designed to be used with Beautiful Soup 4. Prior to 2.8.4, the CSS selector parser in soupsieve allocates unbounded memory when compiling large comma-separated selector lists, allowing an attacker who can supply a crafted selector string to soupsieve.compile o...

UBUNTU-CVE-2026-49476

Soup Sieve is a CSS selector library designed to be used with Beautiful Soup 4. Prior to 2.8.4, the CSS selector parser in soupsieve allocates unbounded memory when compiling large comma-separated selector lists, allowing an attacker who can supply a crafted selector string to soupsieve.compile o...

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...

PT-2026-56839

Name of the Vulnerable Software and Affected Versions soupsieve versions prior to 2.8.4 Description The CSS selector parser in soupsieve allocates unbounded memory when compiling large comma-separated selector lists. An attacker can provide a crafted selector string to the soupsieve.compile...