PT-2026-56839

Name of the Vulnerable Software and Affected Versions soupsieve affected versions not specified Description The CSS selector parser in soupsieve allocates unbounded memory when compiling large comma-separated selector lists. An attacker can provide a crafted CSS selector string to soupsieve.compi...

soupsieve: Soupsieve: Denial of Service via crafted CSS selector strings

A flaw was found in soupsieve, a CSS selector library. This vulnerability allows a remote attacker to cause a Denial of Service DoS by supplying specially crafted, untrusted CSS selector strings. The flaw occurs due to a regular expression vulnerable to catastrophic backtracking when processing a...