GHSA-7FH5-64P2-3V2J PostCSS line return parsing error

An issue was discovered in PostCSS before 8.4.31. It affects linters using PostCSS to parse external Cascading Style Sheets CSS. There may be \r discrepancies, as demonstrated by @font-face font:\r/; in a rule. This vulnerability affects linters using PostCSS to parse external untrusted CSS. An...