Description
PostCSS takes a CSS file and provides an API to analyze and modify its rules by transforming the rules into an Abstract Syntax Tree. Prior to 8.5.19, if from is unset, an attacker can cause PreviousMap.loadFile() to read an unintended source-map file by supplying an absolute or directory-traversal sourceMappingURL. The resulting map’s sources and sourcesContent may then be exposed to the application. This issue is fixed in version 8.5.19.
Mitigation
Minimal update. May introduce new vulnerabilities or breaking changes.
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 debian 12 | | =8.4.20+~cs8.0.23-1 || =8.4.20+~cs8.0.23-1+deb12u1 || =8.4.31+~cs8.0.26-1 || =8.4.39+~cs9.2.29-1 || =8.4.49+~cs9.2.32-1 || =8.5.12+~cs9.3.32-1 || =8.5.14+~cs9.3.34-1 || =8.5.15+~cs9.3.34-1 || =8.5.15+~cs9.3.38-1 || =8.5.15+~cs9.3.39-1 || =8.5.19+~cs10.2.23-1 || =8.5.21+~cs10.2.23-1 || =8.5.23+~cs10.2.23-1 || =8.5.25+~cs10.2.23-1 || =8.5.26+~cs10.2.24-1 || =8.5.6+~cs9.3.28-1 || =8.5.8+~cs9.3.30-1 || =8.5.9+~cs9.3.30-1 | - |
 npm | | | 8.5.23 |
debian 13 | | =8.4.49+~cs9.2.32-1 || =8.5.12+~cs9.3.32-1 || =8.5.14+~cs9.3.34-1 || =8.5.15+~cs9.3.34-1 || =8.5.15+~cs9.3.38-1 || =8.5.15+~cs9.3.39-1 || =8.5.19+~cs10.2.23-1 || =8.5.21+~cs10.2.23-1 || =8.5.23+~cs10.2.23-1 || =8.5.25+~cs10.2.23-1 || =8.5.26+~cs10.2.24-1 || =8.5.6+~cs9.3.28-1 || =8.5.8+~cs9.3.30-1 || =8.5.9+~cs9.3.30-1 | - |
debian 14 | | =8.4.49+~cs9.2.32-1 || =8.5.12+~cs9.3.32-1 || =8.5.14+~cs9.3.34-1 || =8.5.15+~cs9.3.34-1 || =8.5.15+~cs9.3.38-1 || =8.5.15+~cs9.3.39-1 || =8.5.19+~cs10.2.23-1 || =8.5.21+~cs10.2.23-1 || =8.5.6+~cs9.3.28-1 || =8.5.8+~cs9.3.30-1 || =8.5.9+~cs9.3.30-1 || >=0 <8.5.23+~cs10.2.23-1 | 8.5.23+~cs10.2.23-1 |
 rpm rhel9 | | - | - |
rpm rhel10 | | | 0:1.1.2-1.el10_2 |
