The package postcss from 7.0.0 and before 8.2.10 are vulnerable to Regular Expression Denial of Service (ReDoS) during source map parsing.
https://snyk.io/vuln/SNYK-JS-POSTCSS-1090595
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1244795
https://github.com/postcss/postcss/commit/b6f3e4d5a8d7504d553267f80384373af3a3dec5
https://github.com/postcss/postcss/commit/8682b1e4e328432ba692bed52326e84439cec9e4