EUVD-2026-91741

PostCSS: Quadratic complexity in flat selector parsing allows CPU exhaustion...

SUSE CVE-2026-104844

PostCSS Selector Parser is a CSS selector parser that integrates with PostCSS but does not require it. Prior to 7.1.6, src/parser.js splitWord can receive a flat selector as one word token carrying many class or ID indexes because period and hash characters are not tokenizer word delimiters. The...

CVE-2026-104844

PostCSS Selector Parser is a CSS selector parser that integrates with PostCSS but does not require it. Prior to 7.1.6, src/parser.js splitWord can receive a flat selector as one word token carrying many class or ID indexes because period and hash characters are not tokenizer word delimiters. The...

CVE-2026-104844

The PostCSS Selector Parser (prior to version 7.1.6 ) is vulnerable to a Denial of Service (DoS) attack due to quadratic complexity in flat selector parsing. The root cause lies in src/parser.js, where splitWord() accepts selectors with numerous class or ID indexes because period and hash charact...

CVE-2026-104844

PostCSS Selector Parser is a CSS selector parser that integrates with PostCSS but does not require it. Prior to 7.1.6, src/parser.js splitWord can receive a flat selector as one word token carrying many class or ID indexes because period and hash characters are not tokenizer word delimiters. The...

PT-2026-104358

Name of the Vulnerable Software and Affected Versions PostCSS Selector Parser versions prior to 7.1.6 Description In the splitWord function within src/parser.js, the parser fails to treat period and hash characters as tokenizer word delimiters. This allows a flat selector to be processed as a...