{"id":"CVE-2021-23406","details":"This affects the package pac-resolver before 5.0.0. This can occur when used with untrusted input, due to unsafe PAC file handling. **NOTE:** The fix for this vulnerability is applied in the node-degenerator library, a dependency written by the same maintainer.","aliases":["GHSA-9j49-mfvp-vmhm"],"modified":"2026-04-10T04:30:24.973731Z","published":"2021-08-24T08:15:18.180Z","related":["SNYK-JAVA-ORGWEBJARSNPM-1568506","SNYK-JS-PACRESOLVER-1564857"],"references":[{"type":"FIX","url":"https://snyk.io/vuln/SNYK-JS-PACRESOLVER-1564857"},{"type":"FIX","url":"https://github.com/TooTallNate/node-degenerator/commit/9d25bb67d957bc2e5425fea7bf7a58b3fc64ff9e"},{"type":"FIX","url":"https://github.com/TooTallNate/node-degenerator/commit/ccc3445354135398b6eb1a04c7d27c13b833f2d5"},{"type":"FIX","url":"https://github.com/TooTallNate/node-pac-resolver/releases/tag/5.0.0"},{"type":"FIX","url":"https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1568506"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/tootallnate/node-degenerator","events":[{"introduced":"0"},{"fixed":"9d25bb67d957bc2e5425fea7bf7a58b3fc64ff9e"},{"fixed":"ccc3445354135398b6eb1a04c7d27c13b833f2d5"}]},{"type":"GIT","repo":"https://github.com/tootallnate/node-pac-resolver","events":[{"introduced":"0"},{"fixed":"0439ff2eb790cffd812b2abf8a5b3343ea3c89db"}],"database_specific":{"versions":[{"introduced":"0"},{"fixed":"5.0.0"}]}}],"versions":["0.0.4","1.0.0","1.0.1","1.0.2","1.0.3","1.0.4","1.3.0","2.0.0","2.1.0","2.1.1","2.1.2","2.1.3","2.1.4","2.2.0","3.0.0","4.0.0","4.1.0","4.2.0","v0.0.1","v0.0.2","v0.0.3","v1.0.0","v1.1.0","v1.2.0","v1.2.1","v1.2.2","v1.2.3","v1.2.4","v1.2.5","v1.2.6"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-23406.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}