postcss-selector-parser vulnerabilities (TuxCare)

2 vulnerabilities.

• postcss-selector-parser TuxCare PostCSS: Quadratic complexity in flat selector parsing allows CPU exhaustion CVE-2026-104844 Fix available 5.9 MediumOctober 2, 2026
• postcss-selector-parser TuxCare postcss-selector-parser AST Serialization container.js toString recursion CVE-2026-9358 Fix available 5.3 MediumMay 24, 2026