CVEvulnerability
CVE-2021-23406
9.8 CRITICAL
Official page ↗
- Status
- Modified
- Published
- 2021-08-24
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 8.1 HIGH — CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS 3.1 ([email protected])
- 9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 7.5 HIGH — AV:N/AC:L/Au:N/C:P/I:P/A:P
Description
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.
Affected configurations
• pac-resolver project pac-resolver (< 5.0.0)
References
- https://github.com/TooTallNate/node-degenerator/commit/9d25bb67d957bc2e5425fea7bf7a58b3fc64ff9e Patch, Third Party Advisory
- https://github.com/TooTallNate/node-degenerator/commit/ccc3445354135398b6eb1a04c7d27c13b833f2d5 Patch, Third Party Advisory
- https://github.com/TooTallNate/node-pac-resolver/releases/tag/5.0.0 Patch, Release Notes, Third Party Advisory
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1568506 Exploit, Patch, Third Party Advisory
- https://snyk.io/vuln/SNYK-JS-PACRESOLVER-1564857 Exploit, Patch, Third Party Advisory
- https://github.com/TooTallNate/node-degenerator/commit/9d25bb67d957bc2e5425fea7bf7a58b3fc64ff9e Patch, Third Party Advisory
- https://github.com/TooTallNate/node-degenerator/commit/ccc3445354135398b6eb1a04c7d27c13b833f2d5 Patch, Third Party Advisory
- https://github.com/TooTallNate/node-pac-resolver/releases/tag/5.0.0 Patch, Release Notes, Third Party Advisory
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1568506 Exploit, Patch, Third Party Advisory
- https://snyk.io/vuln/SNYK-JS-PACRESOLVER-1564857 Exploit, Patch, Third Party Advisory